EIC Year 1 Final Exam

अब Quizwiz के साथ अपने होमवर्क और परीक्षाओं को एस करें!

B. 40 minutes

2 hours 12 minutes - 1 hour 32 minutes =

A. 116.7

175 is ___ % of 150

C. either a or b

A ___ switch is permitted to be used to control a 120-volt fluorescent lighting circuit. A. 120-277 V B. 120 V C. either a or b D. neither a nor b

D. 4507

A piece of equipment has a fixed resistance of 9.6 ohms. How much power will the equipment deliver when connected to a 208-volt circuit? A. 1997 B. 469 C. 138 D. 4507 E. 9216

A. True

A switch with a grounding clip, as shown below, will automatically bond a switch to the equipment grounding conductor when the switch is installed in a metal box that is connected to the equipment grounding conductor. A. True B. False

True

A torque screwdriver and a torque wrench are examples of torque tools

is a calibrated tool to apply consistent measured rotational force.

A torque wrench ______

E. more than 26

A total of ___ receptacles are to be GFCI protected on EWR Drawings 8 & 9 only. A. 25 B. 15 C. 20 D. 26 E. more than 26

A. True

Before lockout/tagout is applied, all workers in the affected area must be notified.

C. Direct Current

DC is an abbreviation for ___.

B. False

If a worker is not present to remove his own lock, any co-worker can remove it as long as he first makes sure it's safe.

C. either a or b A be double insulated B. have a power cord that has a grounding-type cord cap C. either a or b

Power tools should ___.

C. 45

Refer to Figure 106.26. When making a 45º saddle, Point 1 is bent to an angle of ___ degrees. A. 90 B. 60 C. 45 D. 30 E. 22 1/2

C. the four split-wired receptacles

Refer to Figure 116.109. The three-way switch to the left of the sliding doors controls ___. A. the exterior light fixture B. the exterior WP GFCI receptacle C. the four split-wired receptacles D. the ceiling fan

B 104.1 / question 8

Which of these symbols is used to represent a battery?

socket

Which of these wrenches would be safer to use to loosen a frozen nut?

B. never use power tools

While standing in water you should ___.

C. 67 feet

You are given 90 feet of guy wire for a pole 60 feet tall and you had to attach the wire to the top of the pole. How far away from the base of the pole could you anchor the guy wire without having to cut off any excess wire?

D. 576

___ cubic inches are contained in a junction box that measures 12" ? 12" ? 4" deep.

E. 23.17

___ cubic yards of concrete will be required for 14 parking lot light pole standards that are 32 inches in diameter and 8 feet tall.

C. Electron

___ flow equals current flow.

C. 320.30

___ is the Code reference for support requirements for Type AC cable. A. 330.30 B. 330.20 C. 320.30 D. none of these

D. None of these

___ may be used to raise worker height on a scaffold. A. Makeshift devices B. Ladders C. Professionally made benches D. None of these

D. None of these

___ may be used to raise worker height on a scaffold. A. Makeshift devices B. Ladders C. Professionally made benches D. None of these

B. distilled water

Serviceable battery fluid levels should be maintained by filling with ___. A. a baking soda and water mix B. distilled water C. hydrogen peroxide D. any of these

A. Article 90

What NEC® Article discusses the purpose and scope of the Code?

A. black, red & white

What are the insulation colors of the conductors contained in 12-3 Type AC cable? A. black, red & white B. black, red & blue C. brown, purple & yellow D. black, white & green

C. arrow right

Refer to Figure 106.26. After you make your marks on the conduit and make a bend at Point 2, you will then place your bender's ___ mark at Point 1 with the hook end of the bender toward the ___ end of the conduit. A. arrow left B. star left C. arrow right D. star right E. notch right

A. 18

Refer to Figure 107.1311. Dimension X = Dimension Y = 153 inches The area is ___ yd2

B. No

Refer to Figure 108.010. In countertop space F, does the NEC® require any receptacles to be installed if this is a kitchen in an office building? A. Yes B. No

B. (or OL on a digital meter)

Refer to Figure 113.511. After removing the receptacle from its package, you are going to check it with an ohmmeter. If the leads of the ohmmeter are placed between Points A and F, the meter should indicate ___ ohms. A. 0 (or close to zero) B. (or OL on a digital meter)

C. Drawing I

Refer to Figure 113.513. ___ is a GFCI receptacle. A. Drawing III B. Drawing II C. Drawing I D. None of these drawings

D. 12

Refer to Figure 116.310 - Diagram I. ___ volts is being supplied to the bilge pump. A. 6 B. 0 C. 24 D. 12

E. 210.52(A)(2)(2)

Section ___ in the NEC® requires that, for determining receptacle placement in dwellings, a wall space includes the space occupied by fixed panels in walls but excludes sliding panels. A. 210.52(B)(3) B. 210.52(A)(3) C. 210.52(C)(1) D. 210.52(A)(1) E. 210.52(A)(2)(2)

A. 210.11(C)(1)

Section ___ in the NEC® specifies the number of 20-amp kitchen countertop receptacle circuits to be installed in a kitchen in a dwelling.Note: Select N/A (not applicable) if there is not an NEC® requirement. A. 210.11(C)(1) B. 210.70(A)(1) C. 210.52(C) D. N/A

B. 314.16(C)(2)

Section ___ of the NEC® permits conductors to be spliced within an LB (conduit body) provided the volume stamped on the LB is sufficient to contain the conductors. A. 314.16(A) B. 314.16(C)(2) C. 314.17(B) D. 314.16(A)(2) E. 314.16(B)

C. 7

The shortest bending radius for the Type MC cable shown below is ___ times the external diameter of the metal sheath. A. 15 B. 12 C. 7 D. 10 E. none of these

B. line surges and spikes

Transient voltage surge suppressors are used to minimize the damage to connected equipment caused by ___. A. immersion in water B. line surges and spikes C. rough usage D. overloads

C. 15

Where 12 AWG THHN/THWN copper circuit conductors are connected to a 15-amp circuit breaker, the circuit is considered to be a ___-amp branch circuit. A. 35 B. 25 C. 15 D. 30 E. 20

B. 12 in

Where 12-4 Type AC cable is installed, the maximum distance permitted between a box and the first strap (support) is ___. A. 6 ft B. 12 in C. 3 ft D. 4 1/2 ft E. 8 in

E. 3 ft

Where 3" EMT is installed, the maximum distance permitted between a box and the first strap (support) is ___. A. 10 ft B. 12 in C. 6 ft D. 4 1/2 ft E. 3 ft

A. 60

Where a 30º offset is made in the conduit shown in Figure 106.21, there are ___ degrees of bend in the conduit. A. 60 B. 30 C. 120 D. 90

C. 14

Where a branch circuit is protected with a 15-amp circuit breaker, the smallest circuit conductors that can be installed are ___ awg copper. A. 12 B. 10 C. 14 D. none of these

B. 10

Where a branch circuit is protected with a 30-amp circuit breaker, the smallest circuit conductors that can be installed are ___ awg copper. A. 14 B. 10 C. 12 D. none of these

B. isolated ground

A receptacle with an orange triangle on an orange face would be a(n) ___ receptacle. A. decora B. isolated ground C. hospital grade D. tamper-resistant E. CO/ALR

C. 3.68

A resistive heating load connected to a 240-volt branch circuit draws 5 amps. The distance from the panel to the heater is 200'. Using K = 12 for these 12 AWG THHN copper circuit conductors, what is the voltage drop on the wire? A. 7.38 B. 5.76 C. 3.68 D. 4.26 E. 2.31

C. 3.68

A resistive heating load connected to a 240-volt branch circuit draws 5 amps. The distance from the panel to the heater is 200'. Using K = 12 for these 12 AWG THHN copper circuit conductors, what is the voltage drop on the wire? A. 7.38 B. 5.76 C. 3.68 D. 4.26 E. 2.31

C. an arcing condition

An AFCI breaker is used because it detects ___. A. over voltage on a circuit B. an imbalance between hot and neutral current C. an arcing condition D. low voltage in a circuit

D. any of these

An AFCI circuit breaker can be used instead of a standard circuit breaker and will trip when ___ occurs on the circuit. A. an overload B. a short circuit C. an arcing condition D. any of these

D. medium

An R40, 250 watt (250R40/1) incandescent lamp (Order Code 37770) has a ___ base size. A. med skirt B. mogul C. screw terminal D. medium

D. any of these

Ceiling-suspended (paddle) fan speed can be controlled by ___. A. pull chain on the fan B. speed control mounted in a wall box C. remote-control similar to TV/VCR type D. any of these

D. 16

How many parking lot luminaires can be connected to a 20-amp circuit? Each luminaire will draw .954 amps at 480 volts. These luminaires WILL operate continuously. A. 21 B. 17 C. 20 D. 16 E. 25

C. each day before using

How often should scaffolds be inspected? A. when erected B. once a week C. each day before using D. never

D. 0

Per the NEC® the number of receptacles required in an IEC classroom is ___. The room dimensions are 36 feet ? 24 feet with a 3-foot wide door at the far end of one of the 36-foot long walls. Nobody lives there! A. 9 B. 17 C. 4 D. 0 E. 8

Ohms symbol

The unit of measurement for resistance is represented by the letter or symbol ___.

B. luminaire

The international term for a lighting fixture is ___. A. lumen B. luminaire C. fixture D. lux

D. 88

There are 67 questions on an exam. If you miss 8 of these questions your grade is ___%.

C. 117

Thirty-nine yards equals ___ feet.

A. True

To avoid musculoskeletal disorders you should switch tasks and/or positions from time to time to reduce time spent in awkward positions or on repetitive motions.

A. 253

2.53 = ___%

E. 4,600

4.6 kilowatts (kW) is equal to ___ watts.

28

A 1/4 - 28 x 31/2 machine screw has ___ threads per inch.

B. National Fire Protection Association

What organization actually develops and publishes the National Electrical Code?

Picture III only A picture of regular safety glasses

Which of these PPEs are safety glasses?

A. 39.5%

Which of these is smaller? 39.5% or 2/5

A. plug

A device with an 11-30P NEMA designation indicates that this device is a ___. A. plug B. receptacle

C. 12

square root 144

A. 50%

As a general rule, the strength of a rope is reduced about ___ when a knot is tied.

C. metal studs

Aviation snips can be used to cut ___.

B. Globally Harmonized System

GHS is an abbreviation for ___.

D. 4

Box II shown in Figure 107.38 is a ___-gang box.

A. trade size 3/8

Common switch and outlet boxes are available with all the following size knockouts, except for ___.

D. 1979, "No PCBs"

Old ballasts manufactured through ___ and those without a ___ label should be assumed to contain polychlorinated biphenyls (PCBs). A. 1975, "PCBs" B. 1979, "PCBs" C. 1975, "No PCBs" D. 1979, "No PCBs" E. None of the above

E. 60º

Refer to Figure 106.22. If a 30º offset is made, there are ___ degrees of bend in the conduit. 107.2 question 2

C. 45

Refer to Figure 106.26. When making a 45º saddle, Point 1 is bent to an angle of ___ degrees. 107.R question 5

D. all of these

Take the time to make sure your ___. A. tools are properly grounded B. tools are insulated C. equipment is properly grounded D. all of these

D. .625

The diameter of a T5 lamp is ___ inch(es). A. 4 B. 5 C. 1/2 D. .625

B. 6

The electrical panel schedules are located on EWR Plan number ___.

A. 3605

The electrical supply house has 7532 feet of 12-2/G and 3927 feet of 12-3/G. How many more feet of 12-2/G are there than 12-3/G?

C. $159.67

The electrician bought $147.50 worth of new hand tools. The sales tax was 8.25%. What was the total cost of the tools?

D. 723/4 inches

The electrician is asked to frame a safety poster for the shop. Two sides are 14.25 inches and the other two sides are 22.125 inches. What is the perimeter of the frame?

C. 2

The fewest number of 20-amp kitchen countertop receptacle circuits that are permitted to be installed in a kitchen in a house is ___. A. 0 B. 1 C. 2 D. 3

B. True

The fitting shown in Figure 110.11 at A is not permitted to be used on Type MC or AC cables with aluminum armor because the set screw could penetrate the armor. A. False B. True

B. explosive

The following is a verbatim NEC® statement:Provisions appropriate to the battery technology shall be made for sufficient diffusion and ventilation of gases from the battery, if present, to prevent the accumulation of an explosive mixture. A. corrosive B. explosive C. volatile D. ignitable E. flammable

C. 110.27

The following is a verbatim NEC® statement:Spaces about battery systems shall comply with NEC® ___. Working space shall be measured from the edge of the battery cabinet, racks, or trays. A. 480.8 B. 110.13(B) C. 110.27 D. 110.34

B. replaced

Damaged cords on power tools should be ___.

V

Which abbreviation is NOT typically associated with wattage?

A. immediately clean up

You should ___ oil, grease, or water spills.

D. I & II only

Convenience receptacles connected to 20-ampere branch circuits are permitted to be rated ___.I. 15-ampere, 125-volt II. 20-ampere, 125-volt III. 25-ampere, 125-volt A. I only B. II only C. III only D. I & II only

A. arc-fault circuit interrupter

Convenience receptacles that are installed in bedrooms in a house are required to be protected by a(n) ___. A. arc-fault circuit interrupter B. ground-fault circuit interrupter C. surge suppressor

C. a competent person

Dissimilar metals and other manufacturer's scaffold parts and materials can't be intermixed unless ___ determines that it is safe to do so. A. the laborer foreman B. the site superintendent C. a competent person D. the journeyman

A. Yes

Does the NEC® have GFCI requirements for a 120-volt receptacle located 5 feet from a wet-bar sink in a conference room in an office building? A. Yes B. No

A. 819

A 325' long circuit (one wire run 325 feet from the circuit breaker to the motor + the second wire run 325 feet from the motor back to the circuit breaker) is installed using 10 AWG copper wire. The wire has a resistance of 1.26 /1000 feet. What is the total resistance of the circuit conductors expressed in milliohms?

E. 56

A 4-gang 21/2" deep masonry box has a volume of ___ cubic inches. A. 18 B. 84 C. 14 D. 21 E. 56

A. 38 27/64

A 45º saddle is to be made in 11/4" EMT and must pass over a pipe with a 2-inch diameter. There must be a 1/4-inch clearance between the 2-inch pipe and the EMT. The left end of the EMT will be installed in a box. The 2-inch pipe is 38" from the box. You should make a mark on the EMT at ___ inches from the left end for Point 2 as shown in Figure 106.25. 107.2 question 11

B. must have colored insulation (not green or white or gray)

A luminaire has one blue wire and one white wire for field connection. When using cable (NM, AC, or MC for example), the wire connected to the blue wire from the luminaire ___. A. can be white with colored tape B. must have colored insulation (not green or white or gray) C. either a or b

B. the luminaire may overheat and cause a fire

A luminaire is rated for a maximum of a 60 watt lamp. If a 100 watt lamp is installed, what might happen? A. the lamp will not last as long as it should because of the excessive voltage B. the luminaire may overheat and cause a fire C. the lamp will not be as bright because of the lower rating of the luminaire D. all of these

D. 9.2

A particular load is rated to use 2.2 KW at 240 volts. This load is connected to a 2-pole breaker in a panel using 12 AWG conductors. How much current will this load draw?

C. is not permitted

A pendant luminaire mounted in a clothes closet ___. A. must maintain a vertical clearance of at least 12 inches to the storage area B. is permitted if installed at least 12 inches from the nearest storage shelf C. is not permitted D. both a and b

E. 31,680

A power pole has been installed 1/2 mile from the property line. This is ___ inches.

B. No

A receptacle is to be installed in the indoor public parking garage of a doctor's office building. Is this receptacle required to be GFCI protected? A. Yes B. No

B. False

A "hot" and neutral are connected to the load side of a GFCI receptacle. If a person touches this load side "hot" with one hand and the load side neutral with the other hand, the GFCI receptacle will "trip." A. True B. False

A. double insulated

A 120-volt cord-and-plug connected appliance is permitted to have a two-wire cord ("hot" & neutral) and attachment plug instead of a three-wire cord ("hot," neutral & ground) when the appliance is ___. A. double insulated B. used indoors only C. either a or b D. neither a nor b

B. 150

A 150 watt A21 incandescent lamp (Order Code 72532) uses ___ watts of power when operated at 130 volts. A. 100 B. 150 C. 120 D. 133 E. none of these

A. True

A 20-ampere, 125-volt single receptacle installed in a dwelling garage for a freezer would require GFCI protection. A. True B. False

B. 314.24

Calculating and providing the proper volume of a box is not always enough. Section ___ of the NEC® states outlet and device boxes shall be deep enough so that conductors will not be damaged when installing wiring devices or equipment. A. 314.22 B. 314.24 C. 410.22 D. 314.25

A. No

Can a standard incandescent dimmer be used on a lighting transformer that converts the 120-volt circuit voltage to 12 volts for a low-voltage lighting system? A. No B. Yes

C. boxes marked as suitable for fan installation

Ceiling-suspended (paddle) fans are required to be installed on ___.

B. I & II only

Ceiling-suspended (paddle) fans are required to be supported by a ___ outlet box.I. marked II. listed III. heavy duty A. II only B. I & II only C. III only D. I, II & III

C. 320.10

Look in the NEC® Index and find Uses Permitted for AC cable. The Code Reference for this is ___.

B. Fasle

Most fabric in modern clothing is arc-rated.

E. none of these

OSHA is an abbreviation for ___. A. Onshore Security and Health Administration B. Observatory for Safe and Harmless Actions C. Optimistic Safe Habits and Attitudes D. Orthopedic, Skeletal, and Hand Association E. none of these

C. both a and b

On a jobsite, you must keep tools and materials away from the edge ___ where they can be knocked off onto employees working below. A. scaffolds B. floor openings C. both a and b D. neither a nor b

D. architectural

On any project, the door swing is very important in selecting where to put your switches. Door swing should always be determined by referring to the ___ plans.

B. attract

Opposite charges ___

B. False

PPE is an abbreviation for Pain Prevention Equipment.

B. False

PPE stands for Poly Propylene Emissions.

A. are

Per the NEC®, receptacles that are installed outdoors at McDonalds ___ required to be GFCI protected. These are accessible to the public. A. are B. are not

C. cannot be painted, unless it is with a clear material

Planking on scaffolds ___. A. must be painted with skid-proof material B. cannot be painted C. cannot be painted, unless it is with a clear material D. must be painted with reflective safety orange paint

D. any of these

Power tool cords should be kept away from ___. A. hot objects such as drill bits B. sharp material such as metal studs C. sheetrock dollies D. any of these

D. star right

Refer to Figure 106.27. To make the length = 113", you should place the bender's ___ mark at Point 1 with the hook end of the bender toward the ___ end of the conduit. A. arrow left B. star left C. arrow right D. star right E. notch right

E. 81

Refer to Figure 107.1311. Dimension X = Dimension Y = 27 feet The area is ___ yd2

E. 722

Refer to Figure 107.1313. Dimension A = 57 yards Dimension B = 38 feet Area = ___ yd2

E. N/A

Refer to Figure 107.459. You measured Box #2 and it has a depth of 11/2 inches. The volume is ___ cu in for this box per the NEC®. Select answer N/A if Table 314.16(A) does not apply to this type of box. 106.4 question 11

D. 4

Refer to Figure 110.16. You are to run 320 feet of PVC underground from a panel to a 30-foot-tall parking lot light pole. You will then pull in copper THHN/THWN circuit conductors from the breaker to the luminaires on top of the pole. The luminaires will draw a total current of 15.182 amps. The voltage measured at the circuit breaker is 211 volts. The smallest size wire (refer to NEC® Chapter 9, Table 8) you should run so that at least 208 volts is supplied to the luminaires is ___ AWG. Use K=10.86. A. 8 B. 3 C. 2 D. 4 E. 6

D. 3 1/2

Refer to Figure 117.107 to determine the number of wires entering the box. RMC (rigid metal conduit) with 10 AWG wire is the wiring method used. An equipment grounding conductor will not be installed. Four 3" ? 2" metal switch boxes will be ganged together to form a 4-gang box for the switches. The minimum depth of EACH box is ___ inches. A. 2 1/4 B. 2 1/2 C. 2 D. 3 1/2 E. 2 3/4

A. 125%

Refer to the Article 100 definition for continuous load in the NEC®. According to 210.19(A) and 210.20(A), the branch-circuit conductors and overcurrent protection for a continuous load shall be sized at not less than ___ times the current drawn by the load. A. 125% B. 200% C. 100% D. 150% E. 80%

A. 125%

Refer to the Article 100 definition for continuous load in the NEC®. According to 210.19(A) and 210.20(A), the branch-circuit conductors and overcurrent protection for a continuous load shall be sized at not less than ___ times the current drawn by the load. A. 125% B. 200% C. 100% D. 150% E. 80%

B. 120

Refer to the pictorial circuit shown in Figure 115.335. If the leads of a voltmeter were placed on T3 and T4, the meter should indicate ___ volts. A. 240 B. 120 C. 0 D. 208 E. 104

D. 236

Refer to the pictorial drawing shown in Figure 115.321. The heating elements are equally rated (same power and voltage). If the leads of a voltmeter were placed between T1 and T2, the meter should indicate ___ volts. A. 0 B. 480 C. 240 D. 236 E. 472

D. neither I nor II

Refer to Figure 128.110. Which of the drawings shows the (3-lamp) 2 ? 4 luminaire correctly connected? The "outboard" or 2-lamp ballast is to be controlled from switch #1 and the "inboard" or 1-lamp ballast is to be controlled from switch #2. A. I only B. II only C. either I or II D. neither I nor II

C. 125%

Refer to the Article 100 definition for continuous load in the NEC®. According to 210.20(A) the overcurrent protection for a continuous load shall be sized at not less than ___ of the current drawn by the load. A. 80% B. 200% C. 125% D. 150% E. 100%

D. all of these

Refer to the EWR drawings. The exterior post light ___. A. is cord connected B. is switch controlled C. has an integral photocell D. all of these

C. 5/8" Sheetrock® Firecode®

Refer to the EWR drawings. To make sure that switch boxes are set properly in the garage walls and ceiling, the thickness of the gypsum wallboard used in these locations needs to be determined. What is the thickness and type of drywall used in the ceiling and "warm walls" of the garage?

B. garage

Refer to the EWR drawings. Where is access to the attic provided?

C. garage

Refer to the EWR plans. The symbol shown below is used on Drawing 2/10 and represents a sectional view of the house. This view is shown on Drawing 7/10. What room is behind the brick wall on the left of the A-A sectional view? 105.4 question 3

D. 210.8(B)(1)

Section ___ in the NEC® requires that a bathroom in a public library have GFCI -protected receptacles.Note: Select N/A (not applicable) if there is not an NEC® requirement. A. 210.8(A)(1) B. 590.6(A) C. 547.5(G) D. 210.8(B)(1) E. N/A

D. 210.8(B)(1)

Section ___ in the NEC® requires that receptacles in office building bathrooms be GFCI protected. Select N/A (not applicable) if there is not a Code reference for this. A. 210.8(A)(1) B. 210.8(A)(7) C. 210.8(B)(3) D. 210.8(B)(1) E. N/A

D. 210.8(B)(1)

Section ___ in the NEC® requires that receptacles in office building bathrooms be GFCI protected. Select N/A (not applicable) if there is not a Code reference for this. A. 210.8(A)(7) B. 210.8(A)(1) C. 210.8(B)(3) D. 210.8(B)(1) E. N/A

E. 210.52(A)(2)(2)

Section ___ in the NEC® requires that, for determining receptacle placement in dwellings, a wall space includes the space occupied by fixed panels in walls but excludes sliding panels. A. 210.52(B)(3) B. 210.52(A)(3) C. 210.52(C)(1) D. 210.52(A)(1) E. 210.52(A)(2)(2)

C. 410.10(A), damp

Section ___ of the NEC® states that a luminaire (fixture) installed under the roof of an open porch must be marked "suitable for ___ locations." A. 225.4, wet B. 240.32, damp C. 410.10(A), damp D. 300.4(E), outside

B. No

When Type AC cable is installed in horizontal runs through the holes in sheet metal studs and joists, do additional supports have to be installed (Caddy clips, for example)?The AC cable is securely fastened within the required distance from any boxes or enclosures and the framing members are on 24-inch centers. A. Yes B. No

A. 15- or 20-amp

When a 20-amp, 120-volt multioutlet branch circuit is installed, which of the following receptacles is permitted to be connected to it? A. 15- or 20-amp B. 15-amp only C. 20-amp only D. 30-amp only E. 20- or 30-amp

C. 2 hours

When a ballast's case temperature reads 110°C, the thermal protection for a class P ballast must open within ___. A. 1 hour B. 10 minutes C. 2 hours D. immediately

D. greater than or equal to

When a single receptacle is connected to a branch circuit (the circuit has no other loads), the receptacle must have an ampere rating ___ the ampere rating of the OCP protecting the branch circuit. A. less than B. greater than C. less than or equal to D. greater than or equal to

B. the two "hot"

Section 210.11(B) in the NEC® requires that loads be evenly proportioned (or balanced) among the different circuits in a panelboard. This means that when everything connected to all circuits is ON then the current in ___ feeder conductors are equal, or as close as possible. A. either "hot" and the neutral B. the two "hot" C. the ground and the neutral

C. 210.52(C)(1)

Section ___ in the NEC® has a requirement that, for dwellings, receptacle outlets along kitchen countertops shall be installed so that no point along the wall line is more than 600 mm (24 in.) measured horizontally from a receptacle outlet in that space. A. 210.52(B)(3) B. 210.52(A)(3) C. 210.52(C)(1) D. 210.52(A)(1) E. 210.52(A)(2)(2)

E. 314.16(B)(4)

Section ___ of the NEC® states that for each yoke or strap, containing one or more devices or equipment, a double volume allowance shall be made. A. 314.16(A) B. 370.16(A) C. 370.17 D. 370.22 E. 314.16(B)(4)

C. either a or b

Several duplex receptacles connected to a 20-ampere, small-appliance branch circuit serving a kitchen and a dining room ___. A. may be rated 15 amperes B. may be rated 20 amperes C. either a or b D. neither a nor b

A. increases

Since muscles can be starved of nutrients and waste products can build up, holding heavy items over your head for a long period of time ___ risk of back and shoulder injury.

C. 2 6"

Starting with the 10' stick of ?" EMT shown in Figure 106.23, you will bend a stub 90 from Point 1 that is 195/8" long. You marked 195/8" on the EMT at Point 3. You should make another mark at Point ___ that is ___" from Point 3. 107.2 question 13

C. 2 6"

Starting with the 10' stick of ?" EMT shown in Figure 106.23, you will bend a stub 90 from Point 1 that is 195/8" long. You marked 195/8" on the EMT at Point 3. You should make another mark at Point ___ that is ___" from Point 3. A. 2 5" B. 4 6" C. 2 6" D. 4 5" E. none of these

D. star X

Starting with the stick of 3/4" EMT shown below, you need to make a stub 90° bend from Point Z that is 111" long. To make this bend, you place the EMT in your bender with the hook toward Point V. The ___ point on the bender should be placed on Point ___. 107.2 question 4

D. star X

Starting with the stick of 3/4" EMT shown below, you need to make a stub 90° bend from Point Z that is 111" long. To make this bend, you place the EMT in your bender with the hook toward Point V. The ___ point on the bender should be placed on Point ___. A. star Y B. arrow W C. notch Y D. star X E. notch W

A. reduces

Storing conduit on racks at waist level ___ the risk of back injury. A. reduces B. increases

I understand and agree. No notification may be dismissal from the Electrical Online Related Instruction Training Program.

Students are REQUIRED to provide a weekly update to their employer so that progress can be tracked by the employer. This is accomplished by logging into the training site and printing your progress page.

A. Type NM cable

Support and physical protection requirements for Type AC cable are similar to those for ___. A. Type NM cable B. electric metallic tubing C. rigid metal conduit D. none of these

A. Type NM cable

Support and physical protection requirements for Type AC cable are similar to those for ___. A. Type NM cable B. electric metallic tubing C. rigid metal conduit D. none of these

C. both I & II

Temporary lighting for this EWR house project is to be installed in accordance with ___. I. NEC® Article 590 II. OSHA standards

A. True

Temporary lights with bad lamps should be replaced because poor lighting increases the chance of trips and falls.

A. True

Temporary lights with bad lamps should be replaced because poor lighting increases the chance of trips and falls. A. True B. False

True

Terminating the conductors in a residential meterbase requires the use of a calibrated torque tool?

C. ungrounded

The "hot" conductor of a circuit is referred to as the ___ conductor in the NEC®. A. grounding B. grounded C. ungrounded D. shared

B. 410.10(A)

The Code reference that requires suitable marking on a luminaire used in damp locations, such as under a canopy covering a walkway into a building, is ___. A. Article 100 B. 410.10(A) C. 110.11 D. none of these

B. 210.12(A)

The Code section that specifies special requirements for bedroom branch circuits in a house is ___. Select N/A (not applicable) if there is not a Code reference for this. A. 210.52(A) B. 210.12(A) C. 210.52(D) D. N/A

A. 1" = 20'

The EWR Plot Plan uses a scale that is ___.

constructing a building

The IEC curriculum is organized similar to _____________.

A. does

The NEC® ___ permit a motion sensor to control the lighting in a bathroom. The bathroom is in a restaurant and the sensor does not have a manual override switch. A. does B. does not

A. does

The NEC® ___ require at least two 20-amp small-appliance branch circuits to supply power to countertop receptacles in the kitchen of a house. A. does B. does NOT

Answer = E. All of these A. installations subject to saturation of water or other liquids B. unprotected locations exposed to the weather C. directly buried cables D. raceways in direct contact with the earth E. all of these

The NEC® considers which of the following to be wet locations.

A. True

The NEC® permits a recessed luminaire (lighting fixture-with an enclosed & gasketed trim, listed for wet locations, such as shown below) to be installed in the ceiling within a shower stall. The shower stall has a 7-foot ceiling. A. True B. False

B. 210.52(E)

The NEC® requirement for the location and number of outdoor dwelling receptacles is ___. A. 210.23 B. 210.52(E) C. 210.52(A)(1) D. 250.34(B)(2) E. not in the NEC®

C. 358.30(B)

The NEC® requirements for securing EMT in horizontal runs are located in Section ___. A. 344.30(B)(4) B. 362.30(B) C. 358.30(B) D. 360.30(A)

B. safety

The National Electrical Code® is a minimum ___ standard.

C. more than

The amount of light required at a dentist's chair is ___ that required to operate a gas pump at a Stop-N-Go convenience store. A. less than B. the same as C. more than

C. Lamp 2 will not operate at all

The circuit shown below is operating. If the filament in Lamp 1 breaks, ___. A. Lamp 2 will continue to operate at the same intensity (or brightness) B. Lamp 2 will continue to operate but will be dimmer than it was before C. Lamp 2 will not operate at all

D. 10.9956 feet

The circumference of a circle equals diameter ? 3.1416. Find the circumference of a spool of wire that has a radius of 1.75 feet.

True

The code book is something each apprentice should attempt to memorize

False

The code book is something each apprentice should attempt to memorize.

E. all of these

The essential elements of good housekeeping are ___. A. orderly placement of materials, tools, and equipment B. placing containers at appropriate locations for the disposal of miscellaneous rubbish C. prompt removal and disposal of trash and waste materials D. locating extension cords, air and water lines, welding leads, and hoses in positions that eliminate tripping hazards E. all of these

B. Thomas Alva Edison

The founder of General Electric Company in 1879 was ___. A. Michael Faraday B. Thomas Alva Edison C. Alexander Graham Bell D. George Simon Ohm

running end

The free end of a rope that is used to form the knot is the ___.

A. True

The grounding terminal screw is electrically and mechanically connected to the metal yoke on a hospital grade receptacle. A. True B. False

C. 20800

The initial lumens of a 250 watt (MVR250/U) Multi-Vapor® metal halide lamp (Order Code 42729) when operated vertically is ___. A. 10000 B. 6000 C. 20800 D. 19100 E. 13500 F. 12400

D. II or III only

The maximum distance between the scaffold and the structure is ___. If you exceed this distance, you must install a standard guard rail.I. 16 inches for masonsII. 14 inchesIII. 18 inches for plasterers and lathers A. III only B. I only C. I, II, or III D. II or III only E. II only F. I or III only

C. grounded

The metal surfaces of electrical tools and equipment are required to be ___. A. covered B. double insulated C. grounded D. isolated

B. red

The positive terminal on a battery is generally color-coded ___. A. black B. red

A. 22.2222

The resistance of a drill is ___ ohms where the nameplate supplies the following information: 5.4 amps 120 volts

C. 352.30

The support requirements for PVC are located in the NEC® in Section ___. A. 330.30 B. 358.30 C. 352.30 D. none of these

A. a thermostat

The symbol (circle with a T in it) is used on the EWR plan legend to represent ___ . 105.4 question 7

B. 12 hours

The timer for the EWR bedroom hall fan can be set for a maximum of ___. A. 1 hour B. 12 hours C. 15 minutes D. 24 hours

D. bend conduit

The tool shown here is properly used to ___. 107.R Question 3

D. bend condui

The tool shown here is properly used to ___. A. bend large wire B. pull cable C. bend rebar D. bend conduit

C. either of these

The type of bend used to travel over, under, or around objects (piping, air ducts, etc), and return to the original elevation or position is a(n) ___. A. 4-pt saddle B. 3-pt saddle C. either of these D. neither of these

C. either of these

The type of bend used to travel over, under, or around objects (piping, air ducts, etc), and return to the original elevation or position is a(n) ___. A. 4-pt saddle B. 3-pt saddle C. either of these D. neither of these

B. have THWN/THHN insulation

The ungrounded ("phase" or "hot") service-entrance conductors used in the EWR dwelling ___.

B. hot

The ungrounded conductor is often called the ____. A. neutral B. hot C. ground D. bond

C. 35.8

There are 67 electricians on a jobsite. Thirty-one (31) are "career" helpers. Twenty-four (24) are indentured apprentices. Nine (9) are journeymen. Three (3) are foremen. What percentage of the electricians are indentured apprentices?

D. all of these

To avoid musculoskeletal disorders you should switch tasks and/or positions from time to time to reduce time spent in awkward positions or on repetitive motions. A. True B. False

A. tab

To convert a conventional duplex receptacle into a split-wired receptacle, the ___ is removed. A. tab B. ground screw C. silver colored screw D. brass colored screw

D. all of these

Type AC cable is manufactured with ___ circuit conductors (excluding ground). A. two B. three C. four D. all of these

Armored cable includes a(n) ___ to ensure a low-impedance grounding path. A. insulated equipment grounding conductor (green ground) B. bare equipment grounding conductor C. internal bonding strip

Type AC cable is manufactured with ___ circuit conductors (excluding ground). A. two B. three C. four D. all of these

D. 1.5

Type D, C, AA, and AAA batteries are ___-volt batteries. A. 12 B. 24 C. 3 D. 1.5 E. 6

A. resistance

Voltage drop problems can be caused by any of the following conditions:• wire too small for load served• circuit conductors too long• poor or corroded connections at terminals• conductors operating at high temperatures (higher temperatures increase resistance)The presence of one or more of these conditions causes an increase in the total ___ of the circuit. A. resistance B. voltage C. current

C. either a or b

What could happen if electrical current uses your body as a part of the ground return path? A. sudden death B. slight tingle C. either a or b D. neither a or b

E. 8.9286

What is the resistance of a 6' PVC heater if the nameplate supplies the following information: 28 amps 250 volts

B. 12

What is the resistance of a 71/4" circular saw if the nameplate supplies the following information: 10 amps 120 volts

C. 767.290

What is the resistance of an incandescent lamp if the manufacturer supplies the following information: 100 watts 277 volts

A. 281.6667

What is the resistance of an incandescent lamp if the manufacturer supplies the following information: 60 watts 130 volts

D. 37

What is the square root of 1369?

B. 27

What is the square root of 729?

A. Electromotive force

What is the term for the electrical force that occurs when two charges have a difference in potential?

D. 113.4

What is the voltage available at the load end of a 120-volt circuit? The circuit load is 12 amperes and is supplied by 12 AWG stranded copper wires 150 feet in length. Use K=12. A. 3.6 B. 115.4 C. 117 D. 113.4

D. 113.4

What is the voltage available at the load end of a 120-volt circuit? The circuit load is 12 amperes and is supplied by 12 AWG stranded copper wires 150 feet in length. Use K=12. A. 3.6 B. 115.4 C. 117 D. 113.4

C. 6

What size copper conductor is needed for a circuit that is 75 feet from the panel, with a load of 50 amperes and a voltage drop not to exceed 3.5 volts? (Use K=12) A. 8 B. 4 C. 6 D. 3

C. liquidtight flexible nonmetallic conduit

When connections to motorized appliances such as food waste disposers, washers, dryers, air-conditioners, and heat pumps that may be subject to vibration are made, ___ is an acceptable choice for the wiring method. A. electrical metallic tubing B. rigid nonmetallic conduit C. liquidtight flexible nonmetallic conduit D. any of these

C. 210.52(A)(2)(2)

When determining the spacing between wall receptacles, the Code section that specifies whether or not the sliding panels in glass doors in a dwelling are counted in the maximum spacing is ___. Select N/A (not applicable) if there is not a Code reference for this. A. 210.52(C)(1) B. 210.52(A)(2)(1) C. 210.52(A)(2)(2) D. 210.52(C)(4) E. N/A

B. distilled water

When filling a wet-type battery, such as a vehicle battery, you should fill it with ___. A. bottled drinking water B. distilled water C. electrolyte acid D. any of these

C. either a or b

When leakage current is detected by the probe in an IDCI- or ALCI-protected appliance, power is cut off to the appliance when the appliance switch is in the ___ position. A. ON B. OFF C. either a or b

C. the middle of your thighs and the middle of your chest

When lifting, the power zone is located on your body between ___

A. standing part

When tying a knot, the main or longest piece of the rope is the ___.

A. True

When using any power tools, you should wear safety goggles. A. True B. False

II only

When using hammers, as a minimum, you should wear ___ I. safety glasses II. safety goggles

E. 12 in

Where 12-2 Type MC cable is installed, the maximum distance permitted between a box and the first strap (support) is ___. A. 41/2 ft B. 3 ft C. 8 in D. 6 ft E. 12 in

D. switch circuit

Where lines, as shown below, appear on Dwg 9 of the EWR plans, these represent ___ wiring. 106.5 question 2

A. Circuit #1 is run in conduit on the roof of a building.

Which circuit has a higher resistance during the summer? Both circuits have the same size wire, are the same length, and use the same conductor material.

switch

Which of the following is NOT an "outlet?"

False

Worn or cracked sockets can be safely used if proper protective equipment is worn.

A. 113

You are going to have to dig a trench and install conduit underground to supply power to the office building as shown in Figure 105.1518. To run from the transformer to the service along Route B instead of along Route A, ___ more (additional) feet of conduit are required. 105.1E question 9

D. none of these

You can count on being safe around ___ voltages. A. high B. medium C. low D. none of these

A. True

You should keep walkways, stairs, and hallways clear, and be on the lookout for tripping or slipping hazards.

A. True

You should keep walkways, stairs, and hallways clear, and be on the lookout for tripping or slipping hazards. A. True B. False

A. you are sweating

Your body is a better conductor when ___. A. you are sweating B. working in direct sunlight C. you wear more clothing D. your skin is dry

D. 65

Your exam grade accounts for 70% of your quarterly grade. The average of all your homework grades accounts for 15% of your quarterly grade, and 15% of your quarterly grade is the average of all your pop quiz grades. This is 70% + 15% + 15% = 100%. homework 90 0 40 95 0 10 25 48 79 83 pop quizzes 80 20 50 98 25 0 15 60 100 To the nearest whole number, what is your average grade for the 1st quarter of the school year where you score a 72 on your exam and your homework and pop quiz grades are as shown above.

C. 7'-1"

[4 feet-9 inches] + [2 feet- 4 inches] = ____'-____"

D. 24

Figure 116.310The alternator (charger) on each of the boat's twin outboard motors delivers 12 volts to each of the 12-volt batteries. The boat is equipped with a downrigger, a bilge pump, and a trolling motor. Refer to Figure 116.310. ___ volts is being supplied to the trolling motor in Diagram I. A. 12 B. 6 C. 0 D. 24

D. IV

Figure 116.316 Each of the loads should operate at 24 volts. Each of the batteries delivers 12 volts. Without damaging the batteries or the loads, which of the connection diagrams shown in Figure 116.316 will supply the correct voltage to the loads? A. I B. II C. III D. IV E. none of these

E. .925

Figure 116.411 This pictorial layout drawing and the schematic (above) is for a 208-volt branch circuit that supplies a resistive load. The load is a heater and is rated for 10 amps at 208 volts. The distance from the breaker panel to the load is 290 feet and, of course, it is 290 feet back from the load to the panel.Refer to Figure 116.411. Use Table 8 in Chapter 9 of the NEC® to find the one-way resistance of the #14 solid coated copper wire that is used for the circuit conductors. The resistance of the wire from the panel to the heater (Rwire-out) is ___ ohms. A. 9.183 B. 8.495 C. 22.65 D. 20.8 E. .925

C. 0

Figure 116.416The actual output voltage of the power supply is 492 volts.Hint: This is your applied voltage (Ea or ET). Refer to Figure 116.416. The voltage across Switch #1 when closed (Rswitch= .0000001 ohms) is ___ volts. A. 480 B. 492 C. 0 D. 500 E. 472

C. 24.0977

Figure 116.418The actual output voltage of the power supply is 472 volts. Hint: This is your applied voltage (Ea or ET). Element 1 (R1) is rated at 4.8 kW @ 250 volts and Element 2 (R2) is rated to put out 5.2 kW @ 240 volts. Refer to Figure 116.418. The total "hot" resistance of the connected load (both elements) is ___ ohms. A. 23.04 B. 22.2784 C. 24.0977 D. 19.7152 E. 22.0339

D. 9245

Figure 116.418The actual output voltage of the power supply is 472 volts. Hint: This is your applied voltage (Ea or ET). Element 1 (R1) is rated at 4.8 kW @ 250 volts and Element 2 (R2) is rated to put out 5.2 kW @ 240 volts. Refer to Figure 116.418. The total power delivered to the loads (both elements) is ___ watts. A. 9731 B. 9920 C. 10,000 D. 9245 E. 9833

D. .7

How many cubic yards of concrete are in a light pole caisson having a diameter of 24 inches and a depth of 6 feet?

A. 2.4

How many cubic yards of concrete do you need to order to pour 32 transformer pads that are 35 inches wide by 28 inches long by 31/2 inches high? Select the closest answer!!!!!

A. 2

How many single receptacles can be installed in a two-gang box that is made using two single-gang boxes that are ganged together? A. 2 B. 4 C. 6 D. 8

E. 47.8

How much current will a 240-volt, 13.25 KW electric furnace draw when connected to a 208-volt circuit?

B. 12

How much current will this bathroom vanity luminaire draw when connected to a 120-volt branch circuit? Each lamp has a rating of 60 watts at 120 volts. A. 48 B. 12 C. 2 D. 60 E. 30

C. each day before using

How often should scaffolds be inspected? A. when erected B. once a week C. each day before using D. never

C. Flush with the wall surface

How should outlet boxes be mounted in a plywood backboard mounted on a sheetrock wall in an equipment room? A. Set back not more than 1/4 inch B. Set back not more than 3/8 inch C. Flush with the wall surface D. None of these

B. 95/8

How thick (finish-to-finish) is a wall if three layers of 5/8-inch sheetrock are installed on one side of a 57/8-inch metal stud wall and three layers of 5/8-inch sheetrock are installed on the other side of the stud wall?

B. locking

If a receptacle has a NEMA designation that is L11-20R, this indicates that the receptacle can be mated with a ___-type plug attached to a flexible cord. A. straight-blade B. locking

D. 40

If a simple circuit has 480 volts applied with a current flow of 12 amperes, what is its resistance?

A. 120

If a simple circuit has a resistance of 1200 ohms and a current flow of .1 ampere, what is its applied voltage?

A. 1,333 ohms

If a wire 375 feet long has 500 ohms of resistance, what is the resistance of 1,000 feet of the same wire?

A. 1/16

If cable holes through studs cannot be bored to meet the requirements of NEC® 300.4(A)(1) or if cables are to be laid in notches or grooves cut into the face of the stud, a steel plate, sleeve, or clip at least ___-inch in thickness must be used to protect the cable from driven nails or screws. A. 1/16 B. 1/8 C. 3/16

E. 30

If you are working with an extension ladder that has 15 rungs in each of the two sliding sections, this is a ___-foot extension ladder.

D. 1/2

Refer to Figure 106.25. When making a 60º saddle, the total shrinkage of the conduit (left-of-center + right-of-center) is ___ inches per inch of saddle depth. A. 3/8 B. 3/16 C. 1/4 D. 1/2 E. none of these

C. arrow right

Refer to Figure 106.26. After you make your marks on the conduit and make a bend at Point 2, you will then place your bender's ___ mark at Point 1 with the hook end of the bender toward the ___ end of the conduit. 107.2 question 7

E. III only

Refer to Figure 106.26. The multiplier is determined from the ___.I. conduit size II. depth of the obstruction III. offset angle 107.2 question 6

E. III only

Refer to Figure 106.26. The multiplier is determined from the ___.I. conduit size II. depth of the obstruction III. offset angle A. I & II only B. II only C. I & III only D. I, II, & III E. III only

D. star right

Refer to Figure 106.27. To make the length = 113", you should place the bender's ___ mark at Point 1 with the hook end of the bender toward the ___ end of the conduit. 107.4 question 8

D. none of these

square root 64

D. 1,701

Refer to Figure 107.1316. An electrician has to set four circular transformers on a concrete pad. Two of the transformers are 23 inches in diameter, one transformer is 28 inches in diameter, and one transformer is 18 inches in diameter. The total area these transformers will cover is ___ square inches.

A. 23.3

Refer to Figure 107.1407. Sonotubes are to be placed in bored holes in the ground and concrete will be poured into these to form parking lot light pole bases at an airport parking lot. A typical Sonotube is shown above at the left. Tubes with a 20-inch diameter that are 8 feet in length will be used. There will be 36 of these bases that will be filled with concrete. For the 36 pole bases, ___ cubic yards of concrete will be required.

D. 2

Refer to Figure 108.005. This is a plan view of a house. The fewest number of receptacles that can be installed in the 23 foot long wall space between points and is ___. A. 3 B. 5 C. 4 D. 2 E. 6

B. Yes

Refer to Figure 108.010. If a receptacle is installed in countertop space F in a Taco Bell, does the NEC® require it to be GFCI protected? A. No B. Yes

B. Yes

Refer to Figure 108.010. This kitchen layout is in a Tony's Bar & Grill. If a receptacle is installed in countertop space C, does the NEC® require it to be GFCI protected? A. No B. Yes

E. at least 3

Refer to Figure 108.010. This kitchen layout is in a house. The NEC® requires ___ receptacles to be installed in countertop space B. A. at least 1 B. at least 4 C. zero D. at least 2 E. at least 3

A. Yes

Refer to Figure 108.014. This kitchen is in a house. Does the NEC® permit receptacle 11 to be connected to a circuit that is not one of the 20-amp small-appliance branch circuits? A. Yes B. No

A. Yes

Refer to Figure 108.014. This kitchen is in a house. Does the NEC® permit receptacle 11 to be connected to a circuit that is not one of the 20-amp small-appliance branch circuits? A. Yes B. No

D. 3 15/16

Refer to Figure 110.12. Per NEC® Article 330, 10-3 Type MC (corrugated sheath metal-clad) cable is permitted to be bent so that the bending radius is no smaller than ___ inches. The diameter of the cable is 9/16". A. 5 5/8 B. 8 1/16 C. 6 3/4 D. 3 15/16 E. 8 7/16

A. switched

Refer to Figure 112.31. The light is ___. A. switched B. constantly "hot"

B. 5-50R

Refer to Figure 123.32. This receptacle has a NEMA designation of ___. A. 5-30R B. 5-50R C. 10-30R D. 7-50R E. 14-30R

C. 14

Each battery can deliver 7 amps per hour. Two 12-volt batteries that are connected in parallel can deliver ___ amps per hour. A. 3.5 B. 7 C. 14

B. False

Each individual employee can decide whether to use lockout/tagout procedures.

A. 240

Figure 115.311The duct heater contains two identically rated heating elements that are connected as shown. See Figure 115.311. If the leads of a voltmeter were placed on the two circuit breaker terminals, the meter should indicate ___ volts. A. 240 B. 120 C. 208 D. 0 E. 104

B. 3200

Figure 115.316 See Figure 115.316. The total power consumed by the boiler when connected to the 208-volt circuit is ___ watts. A. 5769 B. 3200 C. 2812 D. 3906 E. 5000

C. 2.0

Figure 116.201 Refer to the legend and partial wiring plan in Figure 116.201. The wiring method used is 10 AWG wire installed in EMT. A separate equipment grounding conductor is not required for this installation. A 411/16 ? 11/4 inch square metal box with a 2-gang plaster ring is to be installed as the box assembly. The minimum cubic inch capacity of the plaster ring that will be installed on the box is ___ inch. A. 10.5 B. 6.0 C. 2.0 D. 13.5 E. flat (or 0.0)

B. 14.11

Figure 116.413 Refer to Figure 116.413. The "hot" resistance of Load 2 is ___ ohms. A. 8.15 B. 14.11 C. 7.37 D. 9.01 E. 28.22

C. 10

Find the minimum wire size to limit the voltage drop to 5%. You will run 300' of Type NM-B cable to a 120-volt, 1/2 hp 8-amp motor load. Use K = 12. A. 6 B. 12 C. 10 D. 8 E. 4

D. Ground Fault Circuit Interrupter

GFCI is an abbreviation (stands for) ___. A. Grounded Fault Circuit Interface B. Ground to Floor Current Intensity C. Governed by Federal & International D. Ground Fault Circuit Interrupter

A. True

Hospital grade receptacles must be used in patient care areas in hospitals and health care facilities. A. True B. False

E. 13.8 kV

How would 13,800 volts be written in metric notation?

C. Immersion Detection Circuit Interrupter

IDCI is an abbreviation for ___. A. Immediate Disconnection of Circuit Current (I) B. Indicator of Device Cord Immersion C. Immersion Detection Circuit Interrupter D. none of these

D. 9 ft-7 in

If h = 32 feet and I = 19 inches then the feet of the ladder should be ___ from the building wall

True

If you leave your trailer at the dock, be sure to chock its wheels.

D. all of the above

Improper torque can cause ____ A. injury and death B. fasteners to prematurely wear or break C. overheating of electrical terminals D. all of the above E. none of the above

A. 5

In a bathroom, exposed non-current-carrying metal parts shall be connected to an equipment grounding conductor if they are within ___ horizontal feet of a grounded surface or object. A. 5 B. 8 C. 3 D. 6

A. at least one

In a dwelling (such as your house) how many 20-amp branch circuits are required by the NEC® to supply power to an area where a clothes washing machine is to be plugged into a receptacle? A. at least one B. at least three C. at least two D. none are required

C. 10

In a dwelling a receptacle shall be installed in a hallway that measures ___ feet or more measured along the centerline of the hallway. A. 6 B. 9 C. 10

C. steel

In the EWR kitchen on this project, ___ device cover plates are required.

B. False

Incandescent lamps produce more light per watt than HID lamps. A. True B. False

A. greater than

. The required minimum clearances for surface-mounted incandescent or LED luminaires installed in clothes closets are ___ those for fluorescent luminaires. A. greater than B. the same as C. less than

C. 2

. What is the minimum number of 20-ampere branch circuits for small appliances required in a residence? A. 6 B. 3 C. 2 D. 1

A. break the circuit

If someone else has come in contact with a circuit, the first thing to do is to ___. A. break the circuit B. dial 911 C. administer CPR D. maintain crowd control

B. false

If circuit current travels through your body, the circuit breaker will trip. This is a ___ statement. A. true B. false

B. false

If circuit current travels through your body, the circuit breaker will trip. This is a ___ statement. A. true B. false

A. open

If current does not flow in a circuit, the circuit is said to be ___.

A. break the circuit

If someone else has come in contact with a circuit, the first thing to do is to ___. A. break the circuit B. dial 911 C. administer CPR D. maintain crowd control

C. both a & b

Keeping your work area clean will help ___. A. prevent accidents B. improve production C. both a & b

A. the "6-foot rule"

Section 210.52(A) in the NEC® (concerning receptacles in residences) deals with ___. A. the "6-foot rule" B. GFCI protection of receptacles C. mounting height D. ganged receptacles

B. outlet box

Section 300.15 in the NEC® requires that a(n) ___ be installed at each conductor splice or connection point.

A. ungrounded

Section 404.2(A) in the NEC® requires that switching be done only in the ___ conductor. A. ungrounded B. designated C. grounded D. grounding

D. any of these

Section 406.4(D)(2) in the NEC® permits existing two-wire, nongrounded-type receptacles to be replaced with a ___ where no equipment grounding conductor exists. A. GFCI receptacle...and marked "No Equipment Ground." B. two-wire nongrounding-type receptacle. C. three-wire grounding-type receptacle if fed from an upstream GFCI...and marked "GFCI Protected" and "No Equipment Ground." D. any of these

E. N/A

Section ___ in the NEC® requires that receptacles in a preschool playroom have GFCI protection.Note: Select N/A (not applicable) if this is not an NEC® requirement. A. 210.8(A)(1) B. 590.6(A) C. 518.(C)(1) D. 210.8(B)(1) E. N/A

A. -23

-10°F = ___°C

B. 8.61

. Six 20 watt, 12-volt luminaires (lighting fixtures) are supplied from a small, 12-volt transformer that is 60 feet away from the fixtures. The wire used is 14 AWG. What is the voltage applied to the fixtures? Use K = 11.6. A. 3.39 B. 8.61 C. 10 D. 8.5 E. 12

E. 1.937

1,937 watts is equal to ___ kilowatts (kW).

D. 457

18 inches equals ___ mm.

E. 72

22°C = ___°F

E. 23,500

23.5 V = ___ mV

B. .4444

64 square inches = ___ square feet

E. 576

64 square yards = ___ square feet

7 1/2

7 5/6 - 1/3 =

D. III

As shown in Figure 107.31, ___ is referred to as a "brick" box. 106.4 question 1

A. I

As shown in Figure 107.35, ___ is referred to as a "box partition. 106.4 question 4

A. WP

As shown on the EWR legend, the designation used to represent weatherproof is shown at ___.

C 103.5 / question 3

As shown on the EWR legend, the symbol used to represent a multioutlet assembly is shown at ___.

A. the vehicle frame

The negative terminal on a battery is generally connected to ___. A. the vehicle frame B. a fuse block and the vehicle's starter

B. in the specs

Both EWR Plan 9 and the specifications require that spare conduits be installed between the attic and the workshop. However, these requirements differ. Although an RFI (Request for Information) would be the correct action, you should install the conduits as required ___ because the sheetrock is being installed immediately.

C. 3

Box IV shown in Figure 107.38 is a ___-gang box. 106.1 question 12

C. either a or b

Boxes are to be mounted in non-combustible walls so that the box is flush with the finished wall surface. However, the NEC® permits these boxes to be set back ___ from the finished wall surface. A. 3/16" B. 1/8 inch C. either a or b

B. the ampere rating of the overcurrent device

Branch circuits are rated according to ___. A. the size of the wire used for the circuit B. the ampere rating of the overcurrent device C. either a or b D. neither a or b

B. False

Bulbs manufactured after November 30, 2003 contain no mercury. A. True B. False

D. 6'-0"

The overall width of the sliding-glass door in the EWR master bedroom is ___.

B. 1 ungrounded & 1 grounded

The receptacle shown in Figure 123.39 requires ___ conductors and a grounding conductor. A. 2 ungrounded B. 1 ungrounded & 1 grounded C. 2 grounded

E. 15.6

What is the current drawn by a garage door opener motor if the nameplate supplies the following information and it is operated at 130 volts: 13.8 amps 115 volts

B. .6509

What is the current drawn by an incandescent lamp if the manufacturer supplies the following information and it is operated at 110 volts: 100 watts 130 volts

E. 3 1/2

Figure 115.104 Refer to Figure 115.104. Each of the Type NM cables contains a ground. What is the minimum depth 2-gang masonry (brick) box that could be used here? You will install a second receptacle in this box. The second receptacle is NOT shown. The "pigtails" to both of the receptacles are #12 wires. As you can see, the cable connectors are external (outside the box). A. 1 7/8 B. 2 1/8 C. 2 1/2 D. 1 1/2 E. 3 1/2

D. 8

Figure 115.312 The duct heater contains two identically-rated heating elements that are connected as shown.See Figure 115.312. If the upper element has 8 amps of current flowing through it then ___ amps of current should be flowing through the lower element. A. 4 B. 16 C. 2 D. 8 E. 13

E. 104

Figure 115.315 Two identical (same voltage and power ratings) heating elements are connected to a 2-pole 208-volt circuit breaker as shown.Refer to the pictorial circuit shown in Figure 115.315. If the leads of a voltmeter were placed on L1 and L2 on the lower element, the meter should indicate ___ volts. A. 240 B. 120 C. 0 D. 208 E. 104

A. 9.183

Figure 116.411 This pictorial layout drawing and the schematic (above) is for a 208-volt branch circuit that supplies a resistive load. The load is a heater and is rated for 10 amps at 208 volts. The distance from the breaker panel to the load is 290 feet and, of course, it is 290 feet back from the load to the panel.Refer to Figure 116.411. Use Table 8 in Chapter 9 of the NEC® to find the resistance of the #14 solid coated copper wire that is used for the circuit conductors. Using the total resistance of the circuit (wire + load + wire), the current that will flow through the circuit conductors and the load is ___ amps. A. 9.183 B. 8.495 C. 22.65 D. 20.8 E. .925

B. 104

Figure 116.413 Refer to Figure 116.413. The voltage applied to Load 1 is ___ volts. A. 115 B. 104 C. 240 D. 208 E. 230

B. .505

Figure 116.416The actual output voltage of the power supply is 492 volts.Hint: This is your applied voltage (Ea or ET). Refer to Figure 116.416. The current flowing through Lamp 2 is ___ amps. A. .462 B. .505 C. 1.85 D. .542 E. .528

B. 43.0

Figure115.342Your calculations will not include any power requirements for the blower motor in the FBU. The nameplate on the FBU indicates that it will deliver a total of 11.2 kW of heat when the supply circuit is 250 volts. Refer to the illustration of the FBU and the information shown with Figure 115.342. The current flowing between T3 and T4 is ___ amps. A. 31.1 B. 43.0 C. 44.8 D. 26.4 E. 11.2

C. III only

Fluorescent lamps will have a longer life (in hours) if ___.I. they are cleaned frequentlyII. they are frequently switched "off"III. they are left "on" for long periods of time A. neither I nor II nor III B. I, II & III C. III only D. I & II only E. I & III only

A. I only

For a branch circuit supplying several fluorescent luminaires, in-line fuseholders with fuses that are installed in one of the luminaire enclosures will protect the ___ against overload.I. ballast II. branch circuit A. I only B. II only C. both I & II D. neither I nor II

B. 6

For a single-family dwelling with a total of 3500 square feet of occupied area, the minimum number of 15-ampere lighting branch circuits is ___. A. 7 B. 6 C. 5 D. 8

D. any of these.

GFCI protection can be provided for receptacles serving kitchen countertop areas in a dwelling by installing ___. A. a dual-function AFCI/GFCI circuit-breaker on each 20-ampere small appliance branch circuit. B. an AFCI circuit breaker with GFCI receptacles at each location. C. an AFCI circuit breaker with a GFCI receptacle at the first outlet on the circuit which can then protect downstream receptacles on the circuit. D. any of these.

A. True

Generally receptacles are not mounted below the edge of kitchen countertops because it might create a hazard. For example, a child might pull on an appliance cord plugged into a below-the-countertop receptacle and pull a hot appliance, like a coffeepot or electric frying pan, over on himself. A. True B. False

A. True

Generally receptacles are not mounted below the edge of kitchen countertops because it might create a hazard. For example, a child might pull on an appliance cord plugged into a below-the-countertop receptacle and pull a hot appliance, like a coffeepot or electric frying pan, over on himself. A. True B. False

A. High-Intensity Discharge

HID is an acronym or abbreviation for ___. A. High-Intensity Discharge B. High-Inrush Dissipation C. Heavy Initial Deviation D. none of these

E. 18

How many 2-by-4 lay-in luminaires can be installed on a 20-amp circuit? Each luminaire will draw 128 watts at 120 volts. These luminaires will NOT operate continuously. DO NOT multiply anything times 1.25!!! DO NOT divide anything by .8!!! A. 19 B. 43 C. 29 D. 44 E. 18

A. none are required

How many 20-amp small-appliance branch circuits are required by the NEC® to supply power to countertops in commercial restaurant kitchens? A. none are required B. at least three C. at least one D. at least two

B. none are required

How many 20-amp small-appliance branch circuits are required by the NEC® to supply power to countertops in commercial restaurant kitchens? A. at least one B. none are required C. at least two D. at least three

A. none are required

How many 20-amp small-appliance branch circuits are required by the NEC® to supply power to countertops in commercial restaurant kitchens? A. none are required B. at least three C. at least one D. at least two

A. 9 7/8

How thick (finish-to-finish) is a wall if three layers of 5/8-inch sheetrock are installed on one side of a 57/8-inch metal stud and two layers of 5/8-inch sheetrock are installed on top of one layer of 7/8-inch plywood on the other side of the stud?

B. grounding

If a ground fault occurs in the conductors leading out to a 120-volt load, the current flows out on the "hot" and almost all of the current returns on the ___ conductor. Assume this is a properly connected circuit. A. ungrounded B. grounding C. grounded

A. one in each hand

If a heavy load consists of two bundles, it is better to carry these ___. A. one in each hand B. both in front of your chest

A. 36

If a perfectly square concrete equipment pad has 9 ft2 of surface area, the measurements must be ___ inches on each side.

D. 6.67 min.

If a pump discharges 600 gallons of water in 2.5 minutes, how long will it take to discharge 1,600 gallons of water?

E. none of these

If the aerial lift is short of the desired work height, it is permissible to ___ as long as you are tied off. A. use a 4' step ladder B. stand on the middle safety rail C. use a step as long as it is 6" or less D. all of these E. none of these

B. Circuit #2: 300' long

If the same size wire is used for a circuit, which of the circuits below has the greater resistance?

C. .25

If the simple circuit in Figure 107.201 has 400 ohms of resistance and 100 volts applied, what is its current flow?

C. Go down

If the voltage is lowered in a simple circuit, what will the current do?

C. LU150/MED/ECO (Ecolux® high-pressure sodium)(Order Code 13252)

If used for the same number of hours per day, which of the lamps, listed below, can be expected to have the longest life? Each is operated at 3 hours/start. A. F96T8/SP30/HO (T8 8' Starcoat® HO)(Order Code 12536) B. MXR100/U/MED (PulseArc® Multi-Vapor® metal halide)(Order Code 18680) C. LU150/MED/ECO (Ecolux® high-pressure sodium)(Order Code 13252) D. F70QBX/827/A/ECO (4-pin High Output Biax® compact fluorescent)(Order Code 48865)

A. are not

If you are standing on the highest permitted step on a 12-foot step ladder, you ___ required to use fall protection equipment.

C. 12 AWG copper

Ignoring the effects of voltage drop, a 20-ampere branch circuit requires ___ conductors. A. 14 AWG copper B. 14 AWG aluminum C. 12 AWG copper D. 12 AWG aluminum

A. 3

In a dwelling a receptacle is to be installed on a wall adjacent to a sliding glass door. The door consists of two 3-foot glass panels as shown below (one fixed, one sliding). The distance between points and is 3 feet. The maximum distance between point and the receptacle is ___ feet. A. 3 B. 12 C. 6 D. 2 E. no maximum

B. quantity not limited by the NEC

In a dwelling, how many receptacles are permitted to be installed on the wall within 3 feet of a bathtub? A. two are permitted if GFCI protected B. quantity not limited by the NEC C. none are permitted D. no more than one

B. a toaster

In a dwelling, which of the following are permitted to be connected to one of the small-appliance branch circuits? A. a dishwasher B. a toaster C. a garbage disposal D. all of these E. none of these

D. all these locations

In a home, GFCI protection must be provided for all 125-volt, single-phase, 15- or 20-ampere receptacles installed ___. A. in bathrooms B. outdoors C. in attached garages D. all these locations

D. 4

In a house ___ receptacles should be installed along a 15-foot long kitchen countertop per the minimum requirements in the NEC®. A. 7 B. 0 C. 2 D. 4 E. 5

D. 4

In a house ___ receptacles should be installed along a 15-foot long kitchen countertop per the minimum requirements in the NEC®. A. 7 B. 0 C. 2 D. 4 E. 5

B. False

In a lockout, one person is allowed to attach a single lock for an entire work crew.

A. True

In a lockout/tagout, an emergency isolating device is locked in the safe (open or off) position and written warning is attached to it.

C. both I & II

In addition to other parts, a luminaire consists of a ___.I. lampholder II. lamp A. I only B. II only C. both I & II D. neither I nor II

C. consulting engineer

In construction of commercial and industrial facilities, the quantity and rating of electrical circuits is usually designed by the ___. A. electrician B. architect C. consulting engineer

C. consulting engineer

In construction of commercial and industrial facilities, the quantity and rating of electrical circuits is usually designed by the ___. A. electrician B. architect C. consulting engineer

I understand and agree

In filling out forms and/or in this related instruction, references to "BAT" means - US Department of Labor, Bureau of Apprenticeship and Training, Apprenticeship Registration.

A. ampacity

In general, ___ of a conductor must not be less than the rating of the overcurrent device protecting the conductor. A. ampacity B. voltage rating C. diameter D. circular mil area

A. True

In general, the only conductors permitted to run into or through a luminaire or integral junction box on a recessed luminaire are those supplying that luminaire. Other conductors are permitted to run through the luminaire when the luminaire is marked "Identified for Through Wiring". A. True B. False

C. 210.50

In the NEC, which Article explains the general requirements for a receptacle outlet?

B. is not

In the NEC® under Uses Permitted for AC cable, the list ___ all inclusive.

B. one thousandth

In the international system of units, the prefix milli- means ___.

A. black

Negative battery terminals are generally have a ___ color marking. A. black B. red

E. none of these

OSHA is an abbreviation for ___. A. Onshore Security and Health Administration B. Observatory for Safe and Harmless Actions C. Optimistic Safe Habits and Attitudes D. Orthopedic, Skeletal, and Hand Association E. none of these

D. half-switched

Occasionally, a split-wired receptacle is referred to as ___. A. half-wired B. half-installed C. half-hot D. half-switched

Yes

On EWR Plan 8/10 is the freezer outlet a single outlet?

C. both a and b

On a jobsite, you must keep tools and materials away from the edge ___ where they can be knocked off onto employees working below. A. scaffolds B. floor openings C. both a and b D. neither a nor b

D. 6 - 12

Platform planks should overlap supports not less than ___ inches nor more than ___ inches and should be secured from shifting.

A. rim notch

Point W in Figure 106.11 is identified as the ___. 107.1 question 1

A. rim notch

Point W in Figure 106.11 is identified as the ___. A. rim notch B. hook C. star D. arrow

B. hook

Point X in Figure 106.11 is identified as the ___. 107.1 question 2

P

Power is represented by the letter or symbol ___.

A. adequate and compliant strain relief

Proper installation of cord ends include:

C. Radio Frequency Interference

RFI is an abbreviation for ___. A. Repeated Motor Interruption B. Regular Maintenance Interval C. Radio Frequency Interference D. none of these

D. 30'-0"

Refer to Figure 105.1517. You are laying PVC on a pad for a building. Concrete will be poured over the top of the pad to form the slab floor. Walls will then be built on the slab. When the wall is built between Points C and B, it will intersect the adjoining wall at a 90º angle. You are to stub up the PVC into a wall at Point B. The distance between Points C and B is 24 feet. The distance between Points A and C is 18 feet. To make certain that the PVC at Point B will "hit" the C-B wall, you lay out your tape measure between Points A and B. This distance should be ___ feet. 105.1E question 8

E. 60º

Refer to Figure 106.22. If a 30º offset is made, there are ___ degrees of bend in the conduit. A. 120º B. 30º C. 90º D. 45º E. 60º

B. 1 11/16

Refer to Figure 106.22. If a 9-inch 221/2º offset is made, the conduit will "shrink" ___ inches between the box and the obstruction. 107.R question 4

C. IV only

Refer to Figure 113.104. Which of the drawings shows all the receptacles correctly connected to have both Receptacle 2 and Receptacle 4 GFCI protected? A. III only B. I only C. IV only D. II only E. none of these

A. 120

Refer to Figure 113.511. The receptacle is properly connected and energized. If the leads of the voltmeter are placed between Points D and E, the meter should indicate ___ volts. A. 120 B. 0

B. 120

Refer to Figure 115.343. What is the voltage dropped across each element when the duct heater is connected to a 480-volt circuit? A. 480 B. 120 C. 125 D. 250 E. 60

B. 120

Refer to Figure 115.346. When the sterilization unit is connected to a 480-volt circuit, the voltage dropped across each element is ___. A. 480 B. 120 C. 125 D. 250 E. 60

A. X & Z only

Refer to Figure 116.107. Drawing(s) ___ correctly shows a light that is controlled from two locations (two 3-ways). A. X & Z only B. X only C. Y only D. X & Y only E. Z only

D. Y & Z only

Refer to Figure 116.108. Drawing(s) ___ correctly shows a light that is controlled from two locations (two 3-ways). A. X & Y only B. X only C. Y only D. Y & Z only E. Z only

B. False

Refer to Figure 117.108. The five switches shown adjacent to the bathroom door are to be installed in a 5-gang box. A. True B. False

A. I

Refer to Figure 117.301. Diagram ___ shows Receptacle 1 to be GFCI protected and Receptacle 2 to be NOT protected. A. I B. II C. III D. none of these

D. all of these

Refer to Figure 117.301. Which of the receptacles are rated at 15 amps? A. 2 only B. GFCI only C. 1 only D. all of these E. none of these

B. II only

Refer to Figure 119.102. Drawing ___ is correctly connected so that all of the following are true.• The left half of the receptacle is connected to Ckt 22 and switched with the left switch.• The right half of the receptacle is connected to Ckt 24 and constantly "hot."• The luminaire is connected to Ckt 24 and switched with the right switch. A. I only B. II only C. both I & II D. neither I nor II

B. ungrounded

Refer to Receptacle I in Figure 112.212. A(n) ___ conductor is connected at Point 3. A. grounding B. ungrounded C. grounded

A. 1 1/4

Refer to partial circuit plan shown in Figure 115.103. You are required to size the box that will contain a split-wired receptacle. If the cables entering this box were all #12 MC cables, what is the smallest 4" square (1900) metal box that could be used here? The box will have a 11/4"-rise plaster ring installed that adds a volume of 7.6 in3 to the total volume. The MC cables will be connected to the box using external connectors. There are NO cable clamps within this box. Hint: don't forget to count the wires for the device and the ground(s) that are in the MC cable. A. 1 1/4 B. 1 1/2 C. 2 1/8 D. none of these

E. 125%

Refer to the Article 100 definition for continuous load in the NEC®. According to 210.19(A) the branch-circuit conductors for a continuous load shall be sized at not less than ___ times the current drawn by the load. A. 100% B. 200% C. 150% D. 80% E. 125%

D. 2500-2800K

Refer to the last page in your lamp guide (selecting the best color lamp). Most incandescent lamps have a color temperature of approximately ___. A. 4500-5000K B. 4000-4500K C. 1500-2000K D. 2500-2800K E. 2800-3000K

C. none

Refer to the plan view shown in Figure 117.307. At least ___ receptacle(s) must be installed along the 11" countertop space. in this residential kitchen per the NEC®. A. 4 B. 1 C. none D. 2 E. 3

A. a shorter

Repeatedly turning lamps "on" and "off" will cause the lamp to have ___ life than if it were left "on" for the same number of hours. A. a shorter B. the same C. a longer

C. both I & II

Section 410.36(B) in the NEC® requires that when a suspended ceiling grid is used to support lay-in type luminaires, ___.I. the grid be securely fastened together and secured to the building structureII. the lay-in luminaires be securely fastened to the grid members using bolts, screws, rivets, or listed clips A. I only B. II only C. both I & II D. neither I nor II

A. 210.8(A)(1)

Section ___ in the NEC® requires that receptacles in dwelling bathrooms be GFCI protected. Select N/A (not applicable) if there is not a Code reference for this. A. 210.8(A)(1) B. 210.8(A)(7) C. 210.8(B)(3) D. 210.8(B)(1) E. N/A

A. reduces

Storing conduit on racks at waist level ___ the risk of back injury.

D. Transient Voltage Surge Suppressor

TVSS is an acronym (stands for) ___. A. TeleVision Signal Silencer B. Thermal Variation Supply Switch C. Terminal Voltage Signal System D. Transient Voltage Surge Suppressor

D. 35.6

The 4" square (1900 or Raco 232) box shown in Figure 107.433 is 21/8" deep. A 3/4" rise plaster ring (also shown) is installed on the box and will add a volume of 5.3 in3. This volume is found stamped into the plaster ring. Using the box volume per the NEC®, the total volume of the assembly with the p-ring installed on the box is ___. A. 28.7 B. 25.0 C. 39.3 D. 35.6

C. a single receptacle installed to serve a permanently installed alarm system

The Code generally requires receptacles installed in an unfinished basement to be GFCI protected. The exception(s) to the general rule includes ___. A. receptacles that are not readily accessible, such as a ceiling receptacle B. a single receptacle installed for a refrigerator or freezer located in a dedicated space C. a single receptacle installed to serve a permanently installed alarm system D. all of the above

B. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)

The NEC® defines a branch circuit as ___. A. a minimum of two circuit conductors protected by an overcurrent protective device B. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) C. all conductors that are connected to a load D. none of these

A. 320.30

The NEC® requirements for securing Type AC cable entering or exiting a box are located in Section ___. A. 320.30 B. 334.30 C. 330.30(C) D. none of these

A. child day-care facilities

The NEC® requires that either tamper-resistant receptacles or tamper-resistant covers be used in ___. A. child day-care facilities B. all hospital rooms C. movie theatres D. amusement parks E. none of these

D. (neither) no NEC® requirement

The NEC® requires that receptacles be installed so that the grounding slot is located on the ___. A. bottom or right side B. top or left side C. either a or b D. (neither) no NEC® requirement

A. 20

The NEC® requires two separate ___-ampere receptacle branch circuits for kitchens because cord-connected appliances used in residential kitchens (such as coffee makers, toasters, microwave ovens, and slow cookers) use a lot of current. A. 20 B. 15 C. 30 D. none of these

A. True

The NEC® specifies that either tamper-resistant receptacles or tamper-resistant covers be installed in kindergarten classrooms. A. True B. False

B. Specifications

"General clauses and conditions" sections are found in what construction documents?

C. .5

18 inches = ______._____ yards

C. 8.2

2.5 m equals ___ feet.

E. 3.864

The multiplier for a 15-degree offset is ___.

E. 3.864

The multiplier for a 15-degree offset is ___. A. 1.155 B. 2.613 C. 2.0 D. 1.414 E. 3.864

D. 1.4

The multiplier for a 45-degree offset is ___.

D. 1.4

The multiplier for a 45-degree offset is ___. A. 1.2 B. 2.6 C. 2.0 D. 1.4 E. 6

A. CO/ALR

The only switches that may be connected directly to aluminum wire are ___ switches. A. CO/ALR B. pilot light C. manual motor starting D. locking

D. hook

The part of the bender that holds the conduit during a bend is the ___.

E. none of these

The plan view for the kitchen countertops in a Popeye's Chicken is shown in Figure 108.013. The fewest number of receptacles that can be installed along the 4'-8" countertop is ___. A. 4 B. 3 C. 2 D. 1 E. none of these

B. 600

The resistance of the lamp shown below is ___ ohms. A. .6 B. 600 C. 300 D. .3 E. none of these

C. 7

The shortest bending radius for the Type MC cable shown below is ___ times the external diameter of the metal sheath. A. 15 B. 12 C. 7 D. 10 E. none of these

B. 3 1/2

The switch box shown in Figure 116.203 will contain a duplex receptacle. One "hot," one neutral, and one EGC enter the box through each of the conduits. These are spliced in the box with wire nuts and "pigtails" are connected to the receptacle. All wires are 12 AWG copper THHN/THWN. The shallowest switch box permitted for this installation is ___ inches deep. A. 2 1/4 B. 3 1/2 C. 2 D. 2 1/2 E. 2 3/4

ohms

The unit of measurement for resistance is represented by the letter or symbol ___.

B. 12'-63/4"

The wall, shown above in Figure 105.1401, has an overall length that is 37'-81/4". Three receptacle outlets are to be installed in this wall. L2 is twice as long as L1. L2 should be ______'_______". 105.1D Question 1

A. True

Trade size 1 Schedule 40 and Schedule 80 PVC use the same fittings (couplings and connectors).Note: PVC "connectors" are properly identified as male or female adapters. A. True B. False

A. True

Trade size 1 Schedule 40 and Schedule 80 PVC use the same fittings (couplings and connectors).Note: PVC "connectors" are properly identified as male or female adapters. A. True B. False

E. 6

3-inch trade size Schedule 40 PVC (rigid polyvinyl chloride conduit) shall be supported at a minimum of every ___ feet. A. 5 B. 10 C. 7 D. 3 E. 6

A. attract

Two particles that have opposite charges (one + and the other -) will ___ each other.

A. 4.231

4,231 watts = ___ kW

A. 281.6667

What is the current drawn by an incandescent lamp if the manufacturer supplies the following information and it is operated at 110 volts: 100 watts 130 volts

1 37/48

7/8 + 8/16 +8/24 =

C. 2

What is the minimum number of 20-ampere branch circuits for small appliances required in a residence? A. 6 B. 3 C. 2 D. 1

A. flexible metal conduit

When making connections to motorized appliances such as food waste disposers, washers, dryers, air-conditioners, and heat pumps that may be subject to vibration, ___ is an acceptable choice for the wiring method. A. flexible metal conduit B. electrical metallic tubing C. rigid metal conduit D. any of these

A. flexible metal conduit

When making connections to motorized appliances such as food waste disposers, washers, dryers, air-conditioners, and heat pumps that may be subject to vibration, ___ is an acceptable choice for the wiring method. A. flexible metal conduit B. electrical metallic tubing C. rigid metal conduit D. any of these

D. 50

A 21°F (10°C) temperature rise above the rated temperature of any electrical equipment (ballasts, motors, transformers, etc) will shorten the life of the equipment by ___%. A. 10 B. 15 C. 25 D. 50

B. series

A 24-volt load would require that two 12-volt batteries be connected in ___ to deliver the correct voltage. A. parallel B. series

A. True

A failure of the electrical system can cause fire damage to property.

C. both I and II

A ladder that can be readily moved or carried describes a ___. I. step ladder II. extension ladder

B. double

A particular load is rated to use 2.2 KW at 240 volts. If two of these loads are connected to the same circuit, the total circuit current is ___ that of one load.

B. Use the next higher standard rating

According to NEC® Section 240.4(B), if the ampacity of a conductor does not match up with a standard fuse rating, what are you allowed to do? A. Use any rating that is within 50% of the ampacity B. Use the next higher standard rating C. Derate the conductor to match the fuse D. Install a smaller conductor

C. 90 days

According to OSHA, what is the maximum number of days a cord can be in use as part of a temporary installation.

A. I only

Where a recessed luminaire contains a thermal device (cutout switch) to protect against overheating, this device will ___.I. automatically disconnect power from the luminaire when the temperature gets too highII. have to be manually reset (after opening) when the temperature gets low enough A. I only B. II only C. both I & II D. neither I nor II

E. I & III only

Where a recessed luminaire contains a thermal device (switch) to protect against overheating, this device will ___.I. automatically disconnect power to the luminaire when the temperature gets too highII. have to be manually reset (after opening) when the temperature gets low enoughIII. automatically restore power (after opening) to the luminaire when the temperature cools A. III only B. I & II only C. II only D. I only E. I & III only

A. false beams

Where the lines (shown below) appear in the living room on Dwg 9 of the EWR plans, these represent ___. 105.4 question 1

E. I & II only

Which materials listed below are good conductors? I. aluminum II. gold III. distilled water

A. II only

Which materials listed below are good insulators? I. copper II. air III. gold

C. 34

You are to connect as many 130-watt fluorescent luminaires as possible to a 20-amp 277-volt circuit. If these luminaires are operated continuously, the breaker can only carry 80% of its rating. For this 20-amp breaker this is 20 A ? 80% = 16 A. How many luminaires, operated continuously, can be connected to this circuit? A. 53 B. 18 C. 34 D. 42

B. parallel

You have a load that operates at 6 volts but requires more current to operate than a single battery could deliver. To supply enough current to operate the load, you should connect multiple 6-volt batteries in ___. A. series B. parallel C. series/parallel (combination)

D. I & III only

___ can prevent scaffolding accidents.I. Good housekeeping II. Nothing III. Safe procedures A. III only B. II only C. I only D. I & III only

A. Electromotive

___ force is the component of a circuit that causes electrons to flow.

B. The ground clip

___ is (are) shown at Point C in Figure 112.223. A. The ground pin slot B. The ground clip C. The ground terminal D. Plaster ears

B. 872.25

An electrical contractor has the following field personnel roster on a particular job: 1 Assistant Project Manager who makes $38 per hour 1 clerk who makes $10.25 per hour 1 general foreman who makes $34 per hour 4 foremen who make $22.50 per hour each 7 crew leaders who make $17.50 per hour each 48 apprentices who make $11 per hour (average) each 6 laborers who make $8.25 per hour (average) each Refer to Scenario 105.1300, shown above. The total hourly cost on this job for personnel (labor) is $ ___.

D. 3

An insulated grounded conductor of 6 AWG or smaller shall be identified by a continuous white or gray outer finish or by ___ continuous white stripes on other than green insulation along its entire length. A. 4 B. 2 C. 1 D. 3

A. True

An integral thermal protector for recessed luminaires will automatically restore power once the luminaire has cooled. A. True B. False

C. both a and b

As a GHS requirement, pictograms identifying the hazard appear on ___. A. labels B. SDSs C. both a and b D. neither a nor b

C. safe grounding

Ceiling-suspended (paddle) fans must be specially supported for all of the following reasons, except for ___. A. weight B. torque (twisting motion, particularly when first starting) C. safe grounding D. vibration

False

Cheater bars can be safely used on a wrench to extend the length of the handle so that additional torque can be applied.

B. False

Electricians should use metal ladders and wear metal hard hats.

E. .1

.0000001 A = ___ µA

A. 10.005

.010005 A = ___ mA

D. .00005

.05 mV = ___ V

C. 50.5

.0505 A = ___ mA

B. 400,000

.4 mili-ohm = ________ ohm

C. .105

105 mA = ___ A

E. 3.375

5,832 cubic inches = ___.___ cubic feet

A. .2222

8 inches = ___ yards

D. 9,750

9.75 kW = ___ watts

E. 110.8

A branch circuit for a copy machine has 124 volts available at the circuit breaker. Because the copier draws 15.4 amps, there is a total of 13.2 volts dropped in the branch circuit conductors. With the copier operating, the voltage that would be measured at the receptacle where the copy machine is connected would be ___ volts. A. 15.4 B. 124 C. 106.8 D. 120 E. 110.8

C. either I or II

A branch circuit that supplies 4 receptacles originates in a 120/240-volt 1Ø, 3-wire panelboard. The 12 AWG circuit conductors are connected to a 20-A circuit breaker. The receptacles are permitted to be rated ___.I. 20 amperes II. 15 amperes A. I only B. II only C. either I or II D. neither I nor II

A. $1,239.00

A lead electrician earns $35,400 a year. The employer deducts 31/2% for a company pension plan. How much is deducted a year?

D. I only

A luminaire (lighting fixture) installed outside on the exterior wall of a building located on the campus of Rice University must be marked as suitable for ___.I. wet locations II. damp locations III. suitable for dry locations A. I or II or III B. II or III only C. I or II only D. I only E. II only

B. False

A luminaire is rated for a maximum of a 60 watt lamp. If a 100 watt lamp is installed, the lamp will not last as long as it should because of the excessive voltage. A. True B. False

D. 113

A square-shaped warehouse has a floor area of 12,769 square feet. The length of one of the walls is ___ feet.

B. parallel

A water heater has two elements that will operate simultaneously. One heating element is rated 3,500 watts @ 250 volts and the second element is rated to deliver 2,500 watts when operated at 250 volts.Refer to Scenario 122.1. The heating elements will be connected in ___ with each other when operated from a 208-volt circuit.

B. False

A worker may use any sturdy lock to apply a lockout.

B. has not

A worker who weighs 225 pounds and is wearing a 16 lb tool belt ___ exceeded the rating of a Type I ladder.

A. Alternating Current

AC is an abbreviation for ___.

C. Arc Fault Circuit Interrupter

AFCI is an abbreviation (stands for) ___. A. Approved Feedthrough Cable Interface B. American Federation of City Inspectors C. Arc Fault Circuit Interrupter D. Active Feeder Circuit Interceptor

B. 3

According to the EWR prints, what is the total number of receptacles required in the EWR bathrooms? A. 4 B. 3 C. 6 D. 8

C. The electrical contractor

According to the EWR specifications, ___ is responsible for picking up and disposing of debris or rubbish from equipment installed by the electrical contractor on the project.

A. 90.7

According to the NEC® Index, safety and examination of equipment is covered under Section ___.

A. 6

According to the NEC® at 210.50(C), a receptacle outlet for a washing machine must be installed within ___ feet of where the machine is to be installed in a house. A. 6 B. 3 C. 10 D. no NEC® minimum

A. 1/2 inch

According to the NEC®, recessed luminaires (fixtures) that are not identified for contact with insulation shall have all recessed parts at least ___ from combustible materials. A. 1/2 inch B. 2 inches C. 3 inches D. 31/2 inches

D. 3/4 inch

According to the NEC®, what is the largest size of flexible metallic tubing (FMT) that can be used? A. 4 inch B. 1/2 inch C. 1 inch D. 3/4 inch

D. 3/4 inch

According to the NEC®, what is the largest size of flexible metallic tubing (FMT) that can be used? A. 4 inch B. 1/2 inch C. 1 inch D. 3/4 inch

A. you have written permission from the manufacturer

Aerial lifts can be modified for the current job if ___. A. you have written permission from the manufacturer B. it looks safe C. either a or b D. neither a nor b

B. September 2, 1997

After ___, OSHA required that a lanyard system or guardrails be used to protect workers erecting and dismantling scaffolds, unless a competent person decides safe work practices can protect workers. A. December 7, 1941 B. September 2, 1997 C. July 4, 1987 D. September 2, 2002

B. September 2, 1997

After ___, OSHA required that a lanyard system or guardrails be used to protect workers erecting and dismantling scaffolds, unless a competent person decides safe work practices can protect workers. A. December 7, 1941 B. September 2, 1997 C. July 4, 1987 D. September 2, 2002

A. True

All 15 or 20-ampere, 125-volt receptacles installed to serve dwelling kitchen countertops require GFCI protection. A. True B. False

I understand and agree

All Electrical Training Apprenticeship Students have access to their grades at the bottom of their log in page.

C. 1 foot

An outlet box is installed for a fixture whip from a recessed luminaire that does not have an integral outlet box. This "J-box" must be located at least ___ from the luminaire. A. 5 feet B. 6 feet C. 1 foot D. 3 feet

A. Yes

Does the NEC® permit an outdoor luminaire to be directly attached to a tree? A. Yes B. No

A. 178.75 miles

How far will the company truck go in 2.75 hours traveling 65 miles per hour?

your left

If you can, you should back up a truck looking over ___ shoulder.

A. True

Operating a fluorescent lamp that has severe blackening on one end will damage the ballast. A. True B. False

B. South

Refer to the EWR drawings. What compass direction does the front of the house face?

B. 49.83

To the nearest hundredth, find the quotient of .97 divided by 48.33

C. 1.767 square meters

What is the area of a circle that has a diameter of 1.5 meters?

C. 1000 ohms

What is the average resistance of a 150 pound man according to IEEE?

E. 12 in

Where 12-2 Type MC cable is installed, the maximum distance permitted between a box and the first strap (support) is ___. A. 4 1/2 ft B. 3 ft C. 8 in D. 6 ft E. 12 in

C. 210.8

Which NEC® Section requires receptacles in each bathroom to be GFCI protected? A. 210.9 B. 210.52 C. 210.8 D. 215.9

D. I & III only

Which of the following actual voltage readings would be considered to be nominal 120 volts?I. 128 II. 208 III. 110 A. I only B. II only C. III only D. I & III only E. I, II & III

D. none of these

You can count on being safe around ___ voltages. A. high B. medium C. low D. none of these

D. 63.77

Your contractor is required to pay the federal government the same amount of Medicare/Social Security tax that you do (yours is withheld from your check). The tax rate is 7.65%. You make $10.42 per hour and work 40 hours this week. Your contractor has to send $ ___ to the Feds to pay both yours and the company's contribution. Reminder: Total tax sent to Feds = yours + contractor's

C. 28'-5"

[6'-3"] + [22'-2"] =

D. II

A 25G25/W decorative-type incandescent lamp (Order Code 12982) has a shape as shown in Figure 114.401 at ___. A. III B. I C. V D. II E. IV

A. I

As shown in Figure 107.34, ___ is referred to as a vertical weatherproof GFCI cover. 106.4 question 3

walk around and scope out the area

Before backing up a vehicle, you should ___.

D. all of these

Before plugging in a power tool, you should ___. A. make sure the switch is OFF B. inspect the cord and plug C. check the area for flammable gases D. all of these

A. True

Before removing lockout/tagout devices, you must make sure the danger area is clear of tools and workers.

A. .006

Class A GFCIs are designed to trip when a fault of about ___ amps occurs. A. .006 B. .20 C. .012 D. 4

B. 590

Code article ___ covers temporary wiring.

B. No

Does the NEC® permit a wall-switch-controlled receptacle to be used for lighting an attic space in a Starbucks coffee shop? A portable lamp or drop light, for example, could be plugged into the receptacle. The attic space contains air conditioning equipment that requires servicing. A. Yes B. No

B. False

Engineering safety features on equipment are fool-proof ways of protecting workers from hazardous energy.

B. hook

Figure 106.11Point X in Figure 106.11 is identified as the ___. A. rim notch B. hook C. star D. arrow

C. 18

Generally, scaffold planking must be at least ___ inches wide. A. 8 B. 12 C. 18 D. 24

False

Most power tools have built-in strain relief adequate to hold the weight of the tool.

A. True

Moving carts or hand trucks over bumpy, rough terrain or up and down stairs may expose workers to abrupt, jarring impacts which can cause shoulder and back strain.

I understand and agree

NEC Code Book: The curriculum as of 8/1/20 - 7/1/23, uses the 2020 NEC. You must have this code book to complete your assignments.

A. True

Pushing a load generally takes less effort than pulling it.

A. 590.6(A)

Wall-to-wallkitchen dimensionsare 11 ft by 11 ft NEC® Section ___ requires that all 125-volt, single-phase 15- and 20-ampere receptacles used for temporary construction power be GFCI protected. A. 590.6(A) B. 590.4(D) C. 210.8(B) D. 250.138(A) Exception E. 215.9

C. 1

1 squared=

A. Add fractions

Finding the least common denominator helps us ________

C. 36.67

Rounded off to the nearest hundredth, 36.666 is ___.

C. 7.0

Rounded off to the nearest tenth, 6.98 is ___.

D. Single Pole-Single Throw

SPST is an abbreviation for ___-___. A. Single Pole-Double Throw B. Double Pole-Double Throw C. Double Pole-Single Throw D. Single Pole-Single Throw

C. $8.00

1" conduit costs $800 per 1000 foot bundle. The cost of one 10 foot stick is ___.

D. all of these

Electricity can cause __. A. your muscles to contract B. burns C. blisters D. all of these

B. medium screw

What is the base type of a 175 watt Multi-Vapor® PAR38 metal halide lamp (Order Code 25218)? A. mogul screw B. medium screw C. medium skirted D. position-oriented mogul

work done

Wattage is often compared to ______

D. NEC®

What is the basic standard that governs all electrical work?

1,705

1.705 V = ___ mV

A. 112,300

112.3 V = ___ mV

D. .2139

3 hours 20 minutes + 1 hour 48 minutes = ___ days.

D. 6,048

3.5 cubic feet = ___ cubic inches

E. .00003

30 µA = ___ A

B. .25

324 square inches = ___ square yards

E. none of these

37.5 kVA = ___ VA A. .0375 B. 375,000 C. 3,750 D. 375 E. none of these

B. either I or II

A GE UltraMax® ballast (72258 - GE132MAX-L/ULTRA) has two wires that are connected to the branch circuit. The ballast can be connected to a ___-volt circuit and deliver the correct voltage to the linear fluorescent lamps.I. 120 II. 277 A. II only B. either I or II C. I only

A. increased

A circuit is to be run to a parking lot light. The blueprints call for you to run 8 AWG wire that has a diameter of .128 inches. However, you ran #10 wire that has a diameter of .116 inches. You have ___ the total circuit resistance.

B. AFCI

A device that senses the rapid fluctuation of current flow is called a(n) ___. A. GFCI B. AFCI C. IDCI D. none of these

C. four

A double-pole, single-throw switch has ___ screw terminals for the connection of current-carrying circuit conductors. A. two B. three C. four D. six E. none of these

D. all of these

A failure of the electrical system can cause damage to ___.

B. 153,647

A general contractor is to be paid $1,132,145. After paying all his subcontractors a total of $978,498 he will still have $___ remaining.

B. 4

A grocery store is to have 32 fluorescent luminaires installed on the ceiling. Each of these luminaires will use 180 watts of power at 120 volts. You will need to install at least ___ 15-amp lighting circuits to supply these luminaires. This store is open from 5 a.m. to midnight so the lighting is "ON" continuously. A. 1 B. 4 C. 5 D. 3 E. 2

B. 25

A heating element is rated to operate at 120 volts. A 3 KW element draws ___ amps at 120 volts.

B. False

A metal ladder can be used near electrical sources if it has rubber feet at the bottom.

B. 3 1/2

A kitchen countertop receptacle box is to be installed. A 12-2 MC "home run" enters the box and exits to feed the next receptacle in the circuit. Where external connectors are used, what is the shallowest switch (device) box that can be used? Don't forget that MC contains a ground. A. 2 1/4 B. 3 1/2 C. 2 D. 2 3/4 E. 2 1/2

D. offset

A(n) ___ consists of two bends, usually having the same degree of bend, made to avoid an obstruction blocking the run of pipe.

A. Use the next higher standard rating

According to NEC® Section 240.4(B), if the ampacity of a conductor does not match up with a standard fuse rating, what are you allowed to do? A. Use the next higher standard rating B. Derate the conductor to match the fuse C. Install a smaller conductor D. Use any rating that is within 50% of the ampacity

B. not specified in the NEC®

Along a wall line (not separated by doors), the maximum spacing between receptacles in the dining room in a cafeteria is ___. A. 12 feet B. not specified in the NEC® C. 6 feet

E. Z

Among the receptacles shown in Figure 112.231, ___ is a hospital-grade receptacle. A. V B. W C. X D. Y E. Z

.164

An 8-32 x 3 machine screw has a diameter of ___ inches.

E. $12.34

An electrical contractor has the following field personnel roster of electricians: 1 general foreman who makes $33 per hour 4 foremen who make $22 per hour each 8 crew leaders who make $19 per hour each 48 apprentices who make $10 per hour (average) each What is the average hourly wage for an electrician on this job?

E. 4.69

An electrical contractor is required to set steel posts (bollards) around a pad mounted transformer. You are going to use 11' long pieces of 8" (inside diameter) pipe for the posts. How many cu. yd. of concrete will you need to fill 33 of these posts with concrete? One of these posts is shown in Figure 107.1402.

A. III only

An equipment grounding conductor is permitted to have ___ insulation. I. gray II. white III. green A. III only B. I or II only C. neither I nor II nor III D. II only E. I only

B. maximum lamp wattage

An incandescent lamp luminaire is required to be marked with its ___. A. voltage and current rating B. maximum lamp wattage C. either a or b D. neither a nor b

D. all of these

An orderly work site ___. A. avoids duplicate material orders B. enables you to more easily find material and tools C. makes you more productive D. all of these

B. False

Applying locks or tags in the right places de-energizes the equipment.

C. internal bonding strip

Armored cable includes a(n) ___ to ensure a low-impedance grounding path. A. insulated equipment grounding conductor (green ground) B. bare equipment grounding conductor C. internal bonding strip

A. 95/8 inches

As shown at ? (below), how thick (finish-to-finish) is a wall if three layers of 5/8-inch sheetrock are installed on one side of a 57/8-inch metal stud and two layers of 1/2-inch sheetrock are installed on top of one layer of 7/8-inch plywood on the other side of the stud? 105.1D question 3

A. are

Before starting to work with a power tool, you realize that someone is in the path of flying particles that will be produced when you start. You ___ responsible for advising that person. A. are B. are not

I understand and agree

CPR/1st Aid: CPR and First Aid training - required by the IEC curriculum. Depending on your location - you will receive this training independently of the online related instruction. Check with your IEC Chapter and/or Empoyer for your requirement.

C. hydrogen

Car batteries produce ___ gas. A. methane B. propane C. hydrogen D. none of these

A. before each use.

Cord sets and portable electric tools must be visually inspected ____

I

Current is represented by the letter or symbol ___.

C. Double Pole-Single Throw

DPST is an abbreviation for ___-___. A. Single Pole-Double Throw B. Double Pole-Double Throw C. Double Pole-Single Throw D. Single Pole-Single Throw

A. True

Electricians will use math each day in their profession

B. electrons

Electrical current is the flow of ___.

A. True

Established walkways on the jobsite should be kept clear of debris. A. True B. False

A. 1,090

Figure 107.1315 is the floor plan for a building. The plan has a rectangular area with a right-triangle-shaped area on the left end and a square-shaped area above the right side. Using all the necessary formulas, the total floor area is ___ ft2.

D. III only

Fluorescent ballasts contain thermal protectors that will open the circuit (disconnect power) to prevent ___.I. short circuits II. ground faults III. overheating A. I or II only B. I or II or III C. II or III only D. III only E. I only

E. 2,400

For a 20-ampere 120-volt branch circuit, the maximum loading permitted is ___ VA. A. 1,920 B. 1,440 C. 2,250 D. 1,800 E. 2,400

A. 40.06

For the cylindrical-shaped drawing shown in Figure 107.1403: Height = 153 inches Diameter = 24 inchesThe volume = ___ cu. ft.

E. 933,120

For the drawing shown in Figure 107.1406: Dimension X = 6 ft. Dimension Y = 41/2 yd. and Dimension Z = 80 in. The volume = ___ in3

E. 30.2632

For the garage door opener circuit shown in Figure 107-22, what is the opener circuit resistance if the nameplate supplies the following information? 3.8 amps 115 volts

B. 22"

From the measured end of the conduit, where do you mark the EMT to place the arrow on a 3/4-inch bender to get a stub-up of 28 inches? A. 21" B. 22" C. 18" D. 19" E. none of these

D. all of these

Good housekeeping ___. A. is an OSHA requirement B. keeps you safe C. saves time D. all of these

C. both a and b

Good housekeeping on the jobsite ___. A. affects your safety B. affects how much work you get done C. both a and b D. neither a nor b

I understand and agree

Grading and Communication: IEC-Chesapeake Students - End of semester grades are available to employers via our AMPS database and students have access through AMPS or their online training site.

C. 3 ft

How far must a ladder extend beyond the roof line if you are going to climb onto the structure?

D. I or III only

If a Code rule is permitted but not mandatory it includes the words ___. I. shall not be required II. not necessary III. shall be permitted

A. 290, 258

If a ballast is rated to operate at 277 volts but can tolerate (without damaging effects) a +5% to a -7% variation from this rated voltage then this acceptable voltage range is ___ to ___V. A. 290, 258 B. 296, 291 C. 296, 263 D. 310, 244

A. one in each hand

If a heavy load consists of two bundles, it is better to carry these ___.

A. neutral

In multiwire circuits, the grounded conductor is also called a ___. A. neutral B. hot C. ground D. bond

C. either a or b

In order that the connections inside an outlet box remain accessible, the NEC® permits a surface extension from a flush-mounted device box to be made by installing ___. 106.4 question 10 A. an extension ring -- shown here -- with EMT connected to any knockout B. a cover -- shown here -- with flexible metal conduit attached to the knockout C. either a or b D. neither a nor b

True

It is best to have a spotter on hand when backing a truck.

A. aluminum

Knowing that aluminum conductors have a higher resistance than silver-plated copper conductors of the same size and length, which has the higher K value?

A. OFF

Lighted handle toggle switches utilize a neon lamp that is illuminated when the switch is in the ___ position. A. OFF B. ON C. either a or b

D. 314.3 Exceptions

NEC® Section ___ permits metal raceways and metal jacketed cables to be used with nonmetallic boxes provided all metal raceways or cables entering the box are bonded together. A. 314.4 B. 314.17 C. 314.27 D. 314.3 Exceptions

B. False

NFPA is an independent organization that tests equipment and products to see if they conform to national codes and standards.

D. $2.75

On your job you are working 8-hour days. You are installing 32 light fixtures in those 8 hours. You make $11 per hour. How much per fixture does it cost your contractor to install each light fixture?

A. 9

On your job, your pipe crew consists of four electricians who have been running a total of 800 feet of conduit per day. How many more electricians do you need to add to the crew to run 10,000 feet of conduit in four days?

resistance

Opposition to current flow is generally termed ________.

D. none of the above are acceptable

Per OSHA 29 CFR 1910.305(g)(1)(iv) which of the following is an acceptable use of a flexible cord? A. run through holes in walls, ceilings or floors B. concealed behind building walls, ceilings or floors C. run through doorways, windows or similar openings D. none of the above are acceptable

A. True

Per OSHA standards, equipment is locked out and tagged out before any maintenance or servicing is performed.

A. rim notch

Point W in Figure 106.11 is identified as the ___. A. rim notch B. hook C. star D. arrow

C. watts

Power is measured in ___.

A. True

Pushing a load generally takes less effort than pulling it. A. True B. False

B. long

Radio waves have a relatively ___ wavelength. A. short B. long

A. True

Sometimes volt-amps (VA) can be larger than watts (W) A. True B. False

I agree to attend this session on a regular basis

The REQUIRED Instructor Session is one night per week. I will attend this session on a Weekly basis - determined by the Calendar in the Classroom Resource Area. I will follow all rules and regulations as set forth by this session.

I agree to comply with this time frame

The REQUIRED Reading Worksheet is due Monday of each week.

A. grounded

The attachment cord cap (plug) shown in Figure 112.233 is connected to a table lamp. Tab 2 is connected to the ___ conductor of the branch circuit when the cord cap is plugged into a wall receptacle. A. grounded B. grounding C. ungrounded

D. 1 ft.-5 1/2 in.

The company truck measures 2391/2 inches long. The company garage is 21 feet and 9 inches inside. The garage door takes up an additional 4 inches of interior space. How many feet and inches of space will be left after parking the truck inside?

C. tag it as unsafe and send the tool to the shop for repair

The cord on a power tool you are planning to use has a split in the cord jacket but the insulated conductor inside appears to be undamaged. You should ___. A. wrap electrical tape over the split and use the tool B. throw the tool into the trash dumpster C. tag it as unsafe and send the tool to the shop for repair D. any of these

B. .3125

The decimal equivalent of 5/16 is ___.

D. prevent safety switches from being energized

The device shown here is used to ___. 106.SB question 10

D. 3 only

The diagram below shows a GFCI outlet protecting receptacles ___. A. 1, 3, and 4 B. 1 only C. 1 & 3 only D. 3 only E. 4 only F. 3 & 4 only

A. 8'-21/8"

The electrician is working on a job that requires 4 pieces of conduit. The following lengths are required: 2'-01/8", 3 feet-61/2 inches, 1-foot-73/4 inches, and 113/8 inches. The saw blade removes 1/8 inch for each cut. The shortest piece of conduit from which all of these pieces can be cut is ___.

D. neither a nor b

The guards on power tools can be removed ___. A. when working in a tight spot and the tool won't fit into the space B. when you are aware of the hazards and wear the proper PPE C. both a and b D. neither a nor b

B. 4.44

The lamp is rated to deliver 20 watts when operated at this applied voltage. The current that will be indicated on the meter is ___ amps. A. 2.22 B. 4.44 C. .5555 D. 1.11 E. none of these

A. 36'-10"

The length of the perimeter of the rectangle shown above in Figure 105.1505 is ___. 105.1 E question 5

C. both a and b

The new GHS is meant to provide ___ for all employees who are potentially exposed to hazardous chemicals in the workplace. This information is for employees to use to protect themselves from these hazards. A. uniform labeling B. hazard classification identification C. both a and b D. neither a nor b

A. the United Nations

The new GHS standard of classification and labeling of chemicals was developed by ___.

B. 2

The plan view for part of a house is shown above in Figure 108.007. The walls separating the living room and the dining room are only 3 feet in height. The distance between points and is 13 feet. The homeowner wants the fewest number of receptacles installed in the "half wall" between and as possible. The fewest number of receptacles that can be installed here is ___. A. 3 B. 2 C. 1 D. none are req'd.

B. a fuse block and the vehicle's starter

The positive terminal on a battery is generally connected to ___. A. the vehicle frame B. a fuse block and the vehicle's starter

B. 169

The resistance of an incandescent lamp is ___ ohms where the manufacturer supplies the following information: 100 watts 130 volts

B. 4.5

The voltage is applied to the flashlight lamp when the 1.5-volt batteries are inserted in the flashlight, as shown at the right, is ___ volts. A. 0 B. 4.5 C. 3 D. 1.5 E. none of these

C. either a or b

To minimize the need to bend or reach to access materials, these should be placed on ___ to locate them in the power zone. A. stands B. racks C. either a or b D. neither a nor b

F. all of the above.

To work on an energized circuit, a person must _______? A. justify why the circuit can't be de-energized. B. complete a shock risk assessment. C. list the safety equipment to be utilized. D. use a detailed comprehensive plan. E. none of the above F. all of the above.

B. 68.9

Twenty-one (21) meters is equal to how many feet?

A. True

Twice as many falls occur stepping down compared to going up ladders.

C. 4.5

Type AC cable shall be secured by staples, cable ties, straps, hangers, or similar fittings at intervals not exceeding ___ feet. A. 5 B. 10 C. 4.5 D. 3 E. 6

C. 4.5

Type AC cable shall be secured by staples, cable ties, straps, hangers, or similar fittings at intervals not exceeding ___ feet. A. 5 B. 10 C. 4.5 D. 3 E. 6

D. 498

Use the dimensions given on the EWR plan. The floor area of the garage is ___ sq ft.

E. all of the above

Used fluorescent lamps should ___. A. be packaged in the same type of carton they came in B. not be taped together C. be in cartons with end secured with shipping tape D. be stored secure, dry, under cover and in the cartons marked "Used Lamps" E. all of the above

C. either a or b

What could happen if electrical current uses your body as a part of the ground return path? A. sudden death B. slight tingle C. either a or b D. neither a or b

A. I, II & III

When a receptacle is located ___, it is required to be GFCI protected.I. above the kitchen countertop and within 6 feet of a sink at a McDonaldsII. in a bathroom adjacent to a basin in a Wendy'sIII. outside on the exterior front wall of an elementary school A. I, II & III B. II & III only C. I & II only D. I & III only E. II only

A. fire alarm

When installed in an unfinished basement in a house, a receptacle that supplies power to a permanently-installed ___ is excluded from the NEC® requirement for GFCI protection. A. fire alarm B. sump pump C. both of these

A. 10

When working on a ladder jack scaffold, adequate fall protection devices must be used when the scaffold height exceeds ___ feet above the floor below. A. 10 B. 6 C. 12 D. 8

A. I or II or III

Where installed in conduit, which of the following wire colors are permitted for "hots," travelers, and switch legs of a circuit?I. black, red, and blue II. brown, orange, and yellow III. pink, black, and blue A. I or II or III B. I only C. neither I nor II nor III D. II only E. I or II only

C. Rigid

Which of the following wiring methods provides the best protection against physical damage? A. EMT B. PVC C. Rigid D. Flex

D. any of these

Which of the wiring methods listed below is permitted to be used for "fixture whips?" A. Type AC cable B. Type MC cable C. flexible metal conduit (FMC) D. any of these E. none of these

C. the tool uses a low-voltage isolation transformer.

Work can be performed using power tools in wet locations if _________.

C. 1.25

Written in decimal form, 125% = ___.

D. $38.82

You make $10.25 per hour. You have 7? % of your total pay taken out of your check for your 401K retirement plan. How much will be taken out for your 401K if you work 47 hours this week? You get paid time-and-a-half for all hours over 40.

B. 132

You need to final-tighten the mechanical lugs that connect your feeder conductors to a 600-amp safety switch. You are going to use a torque wrench that is calibrated in pound-inches (lb-in.). The instruction label in the switch reads "11 lb-ft." To satisfy the manufacturer's specifications, you will set your torque wrench at ___ lb-in.

A. 34 hours 0 minutes

You need to get lamps installed in 544 luminaires that are located in an 11-foot high ceiling. You remember that it usually takes 45 minutes for an apprentice to install lamps in 12 of these luminaires. It should take one apprentice ___ to "lamp" the 544 luminaires.

A. counter-clockwise

You should be aware of the direction of rotation of a power tool because unless you brace yourself a sudden jam could knock you off balance. For example, you are drilling a hole with a hole saw in a drill. When looking down on a drill, if the saw jams the drill will twist in a ___ direction. A. counter-clockwise B. clockwise

D. all of these

You should have adequate working space when moving conduit in order to avoid contact with ___. A. people B. equipment C. energized objects D. all of these

A. Concentric

___ 90-degree bends are radius bends that are bent with a common center (or pivot point) and lay concentrically around each other, spaced equal distances apart.

B. 0

The meter shown in Figure 116.331 should read ___ volts with the switch OFF. A. 6 B. 0 C. 24 D. 12 E. 36

D. neither I nor II nor III

It is permitted to refuel ___-powered equipment while it is running.I. diesel II. gasoline III. propane A. I or III only B. I or II or III C. I only D. neither I nor II nor III E. III only

C. both a & b

Keeping your work area clean will help ___. A. prevent accidents B. improve production C. both a & b

A. True

Keeping your work area clean will help prevent accidents.

A. True

Keeping your work area clean will help prevent accidents. A. True B. False

D. all of these

LED PAR38 20-watt lamps are available as ___. A. 25° narrow floods B. 15° spots C. 40° floods D. all of these

A. $359.24

The cost for 1,250 feet of Romex® (nonmetallic sheathed cable) is $382.50. How much would 1,174 feet of cable cost?

A. True

The current flow to a 120-volt load travels through the source (typically a transformer winding). Assume this is a properly connected circuit. A. True B. False

C. Neither a nor b is wired to both operate correctly and meet the requirements of NEC® 200.7.

The lamp is to be controlled from either switch. Which of the connection diagrams shown below is wired to operate correctly and does not violate 200.7 in the NEC®? A. B. C. Neither a nor b is wired to both operate correctly and meet the requirements of NEC® 200.7. D. Both a and b are wired to operate correctly and meet the requirements of NEC® 200.7.

B. II

The lamp on the left is to be ON constantly (as a night light) and the lamp on the right is to be controlled from the switch. Which of the connection diagrams shown in Figure 112.512 is wired to operate correctly and does not violate 200.7 in the NEC®? Type AC 12-2 and 12-3 cables are used between the outlet boxes. Future wall access is available as required in NEC® 404.2(C)(2). A. I B. II C. III D. IV E. none of these

C. 4 to 6 mA

The level of leakage current required to trip an IDCI- or ALCI-protected appliance is ___. A. .4 to .6 amps B. 6 to 10 mA C. 4 to 6 mA D. 4 to 6 amps

D. II or III only

The maximum distance between the scaffold and the structure is ___. If you exceed this distance, you must install a standard guard rail.I. 16 inches for masonsII. 14 inchesIII. 18 inches for plasterers and lathers A. III only B. I only C. I, II, or III D. II or III only E. II only F. I or III only

E. 76

The maximum number of luminaires that can be installed on a 20-amp 277-volt branch circuit is ___. Each luminaire will draw 72.6 watts at 277 volts. These luminaires will NOT be operated continuously. DO NOT multiply anything times 1.25!!! DO NOT divide anything by .8!!! A. 73 B. 23 C. 72 D. 61 E. 76

D. acceptable to the authority having jurisdiction

The meaning of approved is ___.

B. 8.0959

4.1112 + 3.875 + 6.4442 - 3.668 - 2.6665 = ?

B. No

A free-standing cabinet is to be installed in a science classroom at a high school. The plans show a receptacle that is to be installed face-up in the cabinet countertop. Does Section 406.5(E) in the NEC® prohibit this installation? A. Yes B. No

A. 38 27/64

A 45º saddle is to be made in 11/4" EMT and must pass over a pipe with a 2-inch diameter. There must be a 1/4-inch clearance between the 2-inch pipe and the EMT. The left end of the EMT will be installed in a box. The 2-inch pipe is 38" from the box. You should make a mark on the EMT at ___ inches from the left end for Point 2 as shown in Figure 106.25. A. 38 27/64 B. 43 3/8 C. 44 3/64 D. 38 3/8 E. 38

D. none of these

A 6 AWG grounded conductor can be marked with ___ tape. A. green B. orange C. black D. none of these

A. 1008

A 7 1/4" circular saw consumes ___ of power at 110 volts where the manufacturer's nameplate on the saw shows:10 amps @ 120 volts

A. built-in

A Class P ballast has ___ thermal protection to prevent ballast overheating that could cause fires. A. built-in B. separate

A. 110°C

A Class P ballast has thermal protection to prevent ballast overheating that must open when the ballast case temperature reaches ___. A. 110°C B. 100°F C. 180°F D. 90°C E. 75°C

B. False

A GFCI receptacle is energized and another receptacle is supplied from the load side connections on the GFCI. On the downstream receptacle if you touch the "hot" with one hand and the neutral with the other hand, the GFCI will trip. A. True B. False

C. 3.75

A PS30 200 watt (200PS30RS/23/STG) incandescent lamp (Order Code 72548) has a diameter of ___ inches. A. 3 B. 2.4 C. 3.75 D. 3.34 E. 6.67

D. all of these

A ___ is a unit of an electrical system that is intended to carry or control electric energy as its primary function. A. receptacle B. switch C. device D. all of these

A. "wow"

A ___ is an improperly made bend in which the bent section of pipe has not been held parallel with the straight section of another bend.

A. "wow"

A ___ is an improperly made bend in which the bent section of pipe has not been held parallel with the straight section of another bend. A. "wow" B. kick C. comeback D. rise

C. both I & II

A ___ receptacle installed for a residential, boat-hoist motor is required to be GFCI protected.I. 120-volt II. 240-volt A. I only B. II only C. both I & II D. neither I nor II

A. bidet

A bathroom is defined as "an area including a basin, with one or more of the following: ___." A. bidet B. cadet C. luminaire D. any of these

E. 110.8

A branch circuit for a copy machine has 124 volts available at the circuit breaker. Because the copier draws 15.4 amps, there is a total of 13.2 volts dropped in the branch circuit conductors. With the copier operating, the voltage that would be measured at the receptacle where the copy machine is connected would be ___ volts. A. 15.4 B. 124 C. 106.8 D. 120 E. 110.8

D. 6

A flashlight uses 4 "D" cell batteries that are inserted end to end in the tubular portion of the flashlight. The lamp for this flashlight must be rated for ___ volts. A. 1.5 B. 3 C. 4.5 D. 6 E. 9

B. 2

A fork lift has a 36-volt motor that develops 5.2 horsepower and draws 105 amps. The battery bank consists of six batteries with each rated for 6 volts and 215 A-hrs. The fork lift should be able to run about ___ hours at full horsepower before charging the bank. A. 74 B. 2 C. 17 1/2 D. 180 E. 5

B. Yes - if you are certified

A forklift is easy to operate and can be operated by anyone on the jobsite.

B. No

A free-standing cabinet is to be installed in a science classroom at a high school. The plans show a listed receptacle installed face-up in the cabinet countertop. Does Section 406.5 in the NEC® prohibit this installation? A. Yes B. No

A. incandescent lighting

A standard incandescent dimmer can be used to control which of the following loads? A. incandescent lighting B. a low-voltage lighting transformer C. either a or b D. neither a nor b

D. I only

A standard incandescent dimmer can be used to control which of the following loads?I. incandescent lightingII. a low-voltage lighting transformerIII. an exhaust fan A. I, II & III B. II & III only C. I & II only D. I only E. III only F. II only

C. either a or b

A storage battery is comprised of one or more rechargeable cells of the ___ or other rechargeable electrochemical types. A. lead-acid B. nickel-cadmium C. either a or b D. neither a nor b

D. 12

A surface-mounted incandescent luminaire (light fixture) mounted in a clothes closet must maintain a clearance of at least ___ inches to the storage area. A. 6 B. 18 C. 24 D. 12 E. 0

C. 19.968

A water heater has two elements that will operate simultaneously. One heating element is rated 3,500 watts @ 250 volts and the second element is rated to deliver 2,500 watts when operated at 250 volts.Refer to Scenario 122.1. The water heater will draw ___ amps of current when operated from a 208-volt circuit.

D. offset

A(n) ___ consists of two bends, usually having the same degree of bend, made to avoid an obstruction blocking the run of pipe. A. kick B. comeback C. saddle D. offset

B. ground-fault circuit interrupter

A(n) ___ is required for all construction personnel while using 15- or 20-amp, 120-volt receptacles. It shuts off electricity if a ground fault occurs. A. arc-fault circuit interrupter B. ground-fault circuit interrupter C. circuit breaker D. fuse

A. is required

AFCI protection ___ in dwelling bedrooms per the NEC®. A. is required B. is not permitted C. is permitted but not required

B. Use the next higher standard rating

According to NEC® Section 240.4(B), if the ampacity of a conductor does not match up with a standard fuse rating, what are you allowed to do? A. Use any rating that is within 50% of the ampacity B. Use the next higher standard rating C. Derate the conductor to match the fuse D. Install a smaller conductor

A. wet

According to the NEC®, any location exposed to the weather is considered a ___ location. A. wet B. damp C. dry D. non-rated

A. Yes

Adjacent to the master bedroom in a home is a dressing room containing a vanity with a sink and a mirror. Entry to a room containing a Jacuzzi tub and a toilet is through a door from the dressing room. Are the dressing room and the Jacuzzi room considered to be a bathroom by the NEC®? A. Yes B. No

Answer = D. Any of these A. damage the screwdriver tip B. hit his hand with the hammer C. get a shaving in his eye D. any of these

As a consequence of Hazardous Harry's actions, as shown below, he could ___.

B. GFCI protection

All 120-volt, 15- or 20-ampere receptacles in unfinished basements in homes must have ___. A. weather proof covers B. GFCI protection C. gasketed covers D. two outlets

A. energized (live)

All circuit wires should be considered ___ until tested.

D. not specified

Along a kitchen countertop in a restaurant, the maximum spacing between receptacles is ___. A. 6 feet B. 4 feet C. 12 feet D. not specified E. 2 feet

C. 12

Along a wall line (not separated by doors), the maximum spacing between receptacles in the dining room in a house is ___ feet. A. 6 B. 10 C. 12 D. 20 E. not specified

B. 2

Alternating current, general-use snap switches are UL-listed to control motors rated up to ___ horsepower. A. 1/2 B. 2 C. 1 D. 3/4 E. 1/4

A. Section 314.24 two 12-2 cables + one device + one EGC = 4 circuit conductors + 2 device conductors + 1 grounding conductor = 7 # 12s = 3 x 2 x 3-1/2 box

Although a box has been selected to meet the minimum volume requirements of the NEC®, the box may be too small to accommodate the device installation without damage to the wiring. ___ in the NEC® addresses this potential problem. A. Section 314.24 two 12-2 cables + one device + one EGC = 4 circuit conductors + 2 device conductors + 1 grounding conductor = 7 # 12s = 3 x 2 x 3-1/2 box B. Nothing C. Section 314.19 D. Section 406.2

C. 14

Although frequently referred to as galvanized rigid conduit (GRC), the NEC® identifies this wiring method as rigid metal conduit (RMC). Where trade size 11/2 RMC is threaded (screwed wrenchtight) together between boxes or enclosures, the maximum distance permitted between straps (supports) is ___ feet. The distance between the boxes for this straight run of conduit is almost 200 feet. A. 10 B. 12 C. 14 D. 16 E. 20

A. 15

Although not limited by the NEC®, if a 15-amp residential circuit is to be loaded only up to its rating, how many outlets can be put on the 120-volt circuit if the outlets are rated at 120 VA per outlet? A. 15 B. 1 C. 20 D. 8 E. 9

C. 2

Although not limited to 80% by the NEC®, if 20-amp residential circuits are to be loaded only up to their ratings, how many 20-ampere, 120-volt circuits will be required? The homeowner wants fifteen 150 watt light fixtures and twenty 75 watt fixtures. A. 4 B. 3 C. 2 D. 1

A. 60°C

Although the 90°C column is permitted to be used for ampacity corrections to Type AC cable with THHN conductors, the NEC® requires that the ___ column of Table 310.15(B)(16) be used to determine ampacity when used for premises wiring (to determine maximum uncorrected ampacity). A. 60°C B. 75°C C. 90°C

D. 623/4

As shown in Figure 106.22, you need to make a 22?º offset over a 4" high box. The distance between the Panel and the box is 62". For this ?" EMT, you should make two bending marks on the EMT: the mark that is farther from the panel should be marked at ___" from the panel end of the EMT. 107.2 question 3

B. 50

Although there are a few exceptions for AC systems that supply premises wiring, the NEC® generally requires that systems operating at ___ volts to 1,000 volts be grounded. A. 24 B. 50 C. 150 D. 30 E. 75

A. True

An angle, a kink, or a knot stresses the fibers and weakens the rope.

C. $599.82

An electrical contractor purchased the following materials for a certain job: 2500 feet of 12/2G Romex® for $321.30; 6-ceiling fans for $42.17 each; and 150 feet of ? EMT conduit for $.17 per foot. What is the total cost of these items?

D. 31

An electrician must set three transformers on this housekeeping pad. Each of these transformers is 35" wide (left to right on the drawing) and 23" deep (top to bottom on the drawing). The specifications require that the transformers be set side by side so that there is 8" between them. The specifications also require that the pad extend 4" beyond the edges of the transformer. To meet the requirements set forth in Figure 107.1317, the housekeeping pad must be ___" deep (shorter dimension). 106.1 question 5

D. neither I nor II nor III

An ungrounded conductor is permitted to have ___ insulation. I. gray II. white III. green A. III only B. II only C. I or II only D. neither I nor II nor III E. I only

D. Article 220

Article 210 applies to branch circuits, but branch-circuit calculations for the purpose of determining the size of a service or feeder are covered in ___. A. Chapter 9, Examples B. Article 230 C. Article 240 D. Article 220

D. Article 220

Article 210 applies to branch circuits, but branch-circuit calculations for the purpose of determining the size of a service or feeder are covered in ___. A. Chapter 9, Examples B. Article 230 C. Article 240 D. Article 220

D. all of these

As a GHS requirement, the Accidential Release Measures section on the SDS lists ___ required for cleanup. A. protective equipment B. emergency procedures C. proper methods of containment D. all of these

B. Danger

As a GHS requirement, the signal word ___ on the SDS identifies a more severe hazard.

D. 62 3/4

As shown in Figure 106.22, you need to make a 22?º offset over a 4" high box. The distance between the Panel and the box is 62". For this ?" EMT, you should make two bending marks on the EMT: the mark that is farther from the panel should be marked at ___" from the panel end of the EMT. A. 63 B. 52 1/4 C. 73 1/4 D. 62 3/4 E. 55

D. 11.1

As shown in Figure 107.1422, a 400-foot-long duct bank (four conduits) is buried in a trench that is 18 inches wide. The conduits are laid in the bottom of the trench and dirt is placed around and a few inches over the top of the conduits. To provide 6 inches of cover over the duct bank, ___ cubic yards of cement-stabilized sand will be needed. After the sand is placed over the conduits, the trench is backfilled with the dirt that was originally removed from the trench.

D. I

As shown in Figure 107.32, ___ is referred to as a "handy" box. 106.4 question 2

D. rectangle with circle in it 103.5 \ Question 2

As shown on the EWR legend, the symbol used to represent a fluorescent luminaire is shown at ___.

B. decreases

As the resistance in a circuit is increased the amount of current in the circuit ___. A. increases B. decreases C. stays the same

D. Surge Protective Device

As used in the NEC®, SPD is an acronym for ___. A. Special Process Determination B. Stationary Position Dimensions C. Separate Portable Disconnect D. Surge Protective Device

. I agree and will comply

BCES - Reference to "BCES" is Bay Colony Electrical Specifications and Prints. THESE ARE FOUND IN THE CLASSROOM RESOURCE AREA - FIRST PAGE. MAKE SURE YOU CHECK OUT ALL CLASSROOM RESOURCE PAGES.

D. II or III only

Ballasts should be disposed of ___.I. in the trashII. at a hazardous waste incineratorIII. at a chemical waste landfill A. I or II or III B. II only C. I only D. II or III only E. I or II only

B. the ampere rating of the overcurrent device

Branch circuits are rated according to ___. A. the size of the wire used for the circuit B. the ampere rating of the overcurrent device C. either a or b D. neither a or b

E. I, II & III

Branch circuits that serve a ___ are required to be rated at 20 amperes where installed in a house.I. bathroom II. kitchen III. laundry room A. I & III only B. II only C. I & II only D. neither I nor II nor III E. I, II & III

E. I, II & III

Branch circuits that serve a ___ are required to be rated at 20 amperes where installed in a house.I. bathroom II. kitchen III. laundry room A. II only B. I & III only C. I & II only D. neither I nor II nor III E. I, II & III

E. I, II & III

Branch circuits that serve a ___ are required to be rated at 20 amperes where installed in a house.I. bathroom II. kitchen III. laundry room A. II only B. I & III only C. I & II only D. neither I nor II nor III E. I, II & III

A. 6

Branch-circuit conductors at outlet boxes are required to have at least ___ inches of free conductor for making splices and connections. The length of conductor is measured from the point in the box where it emerges from its raceway. A. 6 B. 12 C. 8 D. 4

A. valve damage

Compressed gas cylinders should be opened slowly to prevent ___.

B. amperes

Current is measured in ___.

B. No

Does the NEC® permit a wall-switch-controlled receptacle to be used for lighting an attic space in a Starbucks coffee shop? A portable lamp or drop light, for example, could be plugged into the receptacle. The attic space contains air conditioning equipment that requires servicing. A. Yes B. No

A. Yes

Does the NEC® permit an MC cable that is 46 feet in length and properly secured to be installed between a 4"-square box and a 2-by-4 lay-in luminaire? A. Yes B. No

A. 1:15

During an 8-hour work day, the electrician takes two 15-minute rest breaks. The ratio of break time to work time is ___.

B. 47.25

Figure 107.458 A 3-gang masonry box is shown in Figure 107.458. It will have several PVC conduits connected to it. An equipment grounding conductor will be pulled into each PVC. The box will contain three 4-way switches. Twelve "travelers" are pulled into the box along with two other circuit conductors. All conductors are 12 AWG copper THHN/THWN. The box must have a minimum volume of ___ in3. A. 38.25 B. 47.25 C. 40.5 D. 36 E. 45

B. Yes

Figure 108.016 Figure 108.016, shown above, is a residential kitchen. A refrigerator will be installed in this residential kitchen and will be located in front of and connected to receptacle (11). Does the NEC® permit receptacle (11) to be connected to a circuit that is not a small-appliance branch circuit? A. No B. Yes

B. Yes

Figure 108.016 is a residential kitchen. Does the NEC® require that receptacle (7) be GFCI protected? A. No B. Yes

B. Yes

Figure 108.016, shown above, is a residential kitchen. A refrigerator will be installed in this residential kitchen and will be located in front of and connected to receptacle (11). Does the NEC® permit receptacle (11) to be connected to a circuit that is not a small-appliance branch circuit? A. No B. Yes

A. 196

Figure 110.14 Refer to Figure 110.14. Using Ohm's law (Table 8, Chapter 9), the voltage applied to the load is ___. The circuit conductors are #6 uncoated THHN/THWN stranded copper. The circuit current is 14.4 amps. The load is located 898 feet away from the breaker panel where the voltage is 209 volts line-to-line. A. 196 B. 208 C. 203 D. 222 E. 185

C. 192

Figure 110.15 Refer to Figure 110.15. A copper circuit conductor has a resistance of .778 ohms/1000 feet. This circuit feeds a load that is drawing 42 amps. The wire length is 250 feet out to the load plus 250 feet back to the panel. Use Ohm's Law [E = I ? R] to find the volts dropped in the circuit conductors and then find how much voltage will be applied to the load. The voltage applied to the load is ___. A. 16 B. 208 C. 192 D. 200 E. 206

A. 0 (or close to zero)

Figure 112.226 Refer to Figure 112.226. After removing the receptacle from its package, you are going to check it with an ohmmeter. If the leads of the ohmmeter are placed between Points G and C, the meter should indicate ___ ohms. A. 0 (or close to zero) B. (or OL on a digital meter)

C. IV

Figure 112.415 Drawing ___ in Figure 112.415 is a framed locking (not key-lock) type switch. A. VI B. II C. IV D. I E. none of these

A. True

Figure 113.414Wall-to-wallkitchen dimensionsare 11 ft by 11 ft Refer to Figure 113.414. In a commercial kitchen, receptacles (3) and (10) require GFCI protection. A. True B. False

A. True

Figure 113.414Wall-to-wallkitchen dimensionsare 11 ft by 11 ft Refer to Figure 113.414. In aresidentialkitchen, receptacles (5) and (6) require GFCI protection. A. True B. False

B. (or OL on a digital meter)

Figure 113.511 Refer to Figure 113.511. After removing the receptacle from its package, you are going to check it with an ohmmeter. If the leads of the ohmmeter are placed between Points C and E, the meter should indicate ___ ohms. A. 0 (or close to zero) B. (or OL on a digital meter)

E. 3 1/2

Figure 115.104 Refer to Figure 115.104. You will install a second receptacle in this 2-gang box. A flat (0.0 in3 volume) p-ring is used. Each of the Type NM cables contains a ground. The "pigtails" to both of the receptacles are #12 wires. When two metal switch boxes are ganged together what is the minimum depth of each box that could be used here? As you can see the cable connectors are external (outside the box). A. 1 7/8 B. 2 1/8 C. 2 1/2 D. 1 1/2 E. 3 1/2

C. either I or II

Figure 115.105 A shallow box is shown at I and a deep box is shown at II in Figure 115.105. One of these 3-gang masonry boxes will have several EMT conduits connected to it. The box will contain three 3-way switches. Nine 14 AWG "travelers" are pulled into the box along with four 12 AWG circuit conductors. Additionally, a 12 AWG grounding conductor is installed. All conductors are copper THHN/THWN. The box shown at ___ will have sufficient volume for this installation. A. I only B. II only C. either I or II D. neither I nor II

A. series

Figure 115.316 See Figure 115.316. A schematic drawing of this circuit is shown below. This is a ___ circuit. A. series B. parallel

D. 12.31

Figure 115.317The duct heater contains two heating elements that are connected as shown. Each of the two elements is rated to deliver 1850 watts when operated at 125 volts. See Figure 115.317. Thetotalcurrent drawn by the duct heater when connected to the208-volt circuit is ___ amps. A. 13.52 B. 15.42 C. 8.89 D. 12.31 E. 16.89

B. 120

Figure 115.333 Each heating element has the same power and voltage ratings as the other three.Refer to the pictorial circuit shown in Figure 115.333. If the leads of a voltmeter are placed on T1 and T2, the meter should indicate ___ volts. A. 0 B. 120 C. 240 D. 360 E. 480

C. 0

Figure 115.341 Refer to Figure 115.341. With the water heater energized, if the leads of a voltmeter were placed on terminals T2 and T3, the meter should indicate a reading of ___ volts. A. 104 B. 480 C. 0 D. 120 E. 240

E. 14.2

Figure 115.346See Figure 115.346. The sterilizer will draw ___ amps of circuit current. A. 8.45 B. 16.7 C. 15.4 D. 33.8 E. 14.2

D. 210.8(A)(3)

Figure 116.109 Refer to Figure 116.109. The plans require that the outside receptacle for this dwelling be GFCI protected. The Code reference(s) for this requirement is ___. Select N/A (not applicable) if there is not a Code reference for this. A. 210.8(B)(4) B. 210.8(A)(8) C. 210.8(B)(1) D. 210.8(A)(3) E. N/A

D. 1/2

Refer to Figure 106.25. When making a 60º saddle, the total shrinkage of the conduit (left-of-center + right-of-center) is ___ inches per inch of saddle depth. 107.2 question 10

A. parallel

Figure 117.201Circuit LA-6 originates in a 120/240-volt, 1Ø panelboard. All luminaires are rated for 120 volts. Each fluorescent luminaire contains 34-watt lamps. For circuit calculations use only the lamp load and disregard the current used by the ballasts. The 1' ? 4' luminaires are controlled by the SP switch. Type MC cable is installed as shown above. Refer to Figure 117.201. The luminaires are connected to the circuit in ___. A. parallel B. series

B. 1 "switch leg" + 1 "hot" + 1 neutral

Figure 117.202Circuit LA-4 originates in a 120/240-volt, 1Ø panelboard. All luminaires are rated for 120 volts. Each fluorescent luminaire contains 34-watt lamps. For circuit calculations use only the lamp load and disregard the current used by the ballasts. The 1' ? 4' luminaires are controlled by the SP switch. Type MC cable is installed as shown above. Refer to Figure 117.202. CableBcontains the following conductors: A. 1 "hot" + 1 neutral B. 1 "switch leg" + 1 "hot" + 1 neutral C. 2 "travelers" + 1 neutral D. 1 "switch leg" + 1 neutral E. 2 "travelers" + 1 "switch leg"

B. 3.4

Figure 117.202Circuit LA-4 originates in a 120/240-volt, 1Ø panelboard. All luminaires are rated for 120 volts. Each fluorescent luminaire contains 34-watt lamps. For circuit calculations use only the lamp load and disregard the current used by the ballasts. The 1' ? 4' luminaires are controlled by the SP switch. Type MC cable is installed as shown above. Refer to Figure 117.202. When all the luminaires are operating, ___ amps is flowing in each circuit conductor in CableF. A. 1.7 B. 3.4 C. 2.27 D. 4.25 E. 2.83

C. both I & II

Figure 117.305 Wall-to-wall kitchen dimensions are9 ft by 9 ft Refer to the plan view for a residential kitchen shown in Figure 117.305. Receptacle(s) ___ must be GFCI protected.I. 1 II. 6 A. I only B. II only C. both I & II D. neither I nor II

C. both I & II

Figure 117.305 Wall-to-wall kitchen dimensions are9 ft by 9 ft Refer to the plan view for a residential kitchen shown in Figure 117.305. Receptacle(s) ___ must be GFCI protected.I. 4 II. 11 A. I only B. II only C. both I & II D. neither I nor II

C. both I & II

Figure 117.305 Wall-to-wall kitchen dimensions are9 ft by 9 ft The plan view of arestaurantkitchen is shown in Figure 117.305. Receptacle(s) ___ are required to be GFCI protected per the NEC®.I. 9 II. 8 A. I only B. II only C. both I & II D. neither I nor II

C. 2

Figure 117.306 The plan view of a residential kitchen is shown in Figure 117.306. The fewest number of receptacles that can be installed along the wall in countertop space C (between the sink and the range) is ___. A. 0 B. 1 C. 2 D. 3 E. 4

D. 5

Figure 117.308 Figure 117.308 shows the plan view for a kitchen in a house. At least ___ receptacle(s) must be installed along the 11'-6" + 4'-8" space (between the end of the countertop and the edge of the sink) per the NEC®. A. 4 B. 3 C. 2 D. 5 E. none

B. 25

Figure 129.110 The minimum cubic inch capacity of the j-box (shown in Figure 129.110) you could use where circuits A17-19 (2 "hots" + a neutral") enter the box is ___ in3. The circuits are tapped and continue to feed other equipment or outlets. The wiring method is 10 AWG MC cable with a 10 AWG grounding conductor. All cable connectors are of the type that have locknuts to secure the connector to the box. The Equipment Grounding Conductor is NOT shown on the drawing. A. 30 B. 25 C. 22.5 D. 20 E. none of these

A. 1.3951

Figure115.342Your calculations will not include any power requirements for the blower motor in the FBU. The nameplate on the FBU indicates that it will deliver a total of 11.2 kW of heat when the supply circuit is 250 volts. Refer to the illustration of the FBU and the information shown with Figure 115.342. The fixed resistance of Element 2 (R2) is ___ ohms. A. 1.3951 B. 1.2857 C. 5.1429 D. 5.5804 E. 4.7246

E. 2.580

Figure115.342Your calculations will not include any power requirements for the blower motor in the FBU. The nameplate on the FBU indicates that it will deliver a total of 11.2 kW of heat when the supply circuit is 250 volts. Refer to the illustration of the FBU and the information shown with Figure 115.342. When operated atexactly240volts the actual power used by Element 4 (P4) is ___ kW. A. 10.332 B. 2.800 C. 14.064 D. 11.200 E. 2.580

C. 10

Find the minimum wire size to limit the voltage drop to 5%. You will run 300' of Type NM-B cable to a 120-volt, 1/2 hp 8-amp motor load. Use K = 12. A. 6 B. 12 C. 10 D. 8 E. 4

D. 6

For a single-family dwelling with a total of 3500 square feet of occupied area, the minimum number of 15-ampere lighting branch circuits is ___. A. 8 B. 5 C. 7 D. 6

D. 6

For a single-family dwelling with a total of 3500 square feet of occupied area, the minimum number of 15-ampere lighting branch circuits is ___. A. 8 B. 5 C. 7 D. 6

C. either I or II

For branch circuits rated 120 volts, 20 amperes and supplying two or more receptacles, the receptacles are permitted to be rated ___.I. 15 amperes II. 20 amperes A. I only B. II only C. either I or II D. neither I nor II

C. 6

What size copper conductor is needed for a circuit that is 75 feet from the panel, with a load of 50 amperes and a voltage drop not to exceed 3.5 volts? (Use K=12) A. 8 B. 4 C. 6 D. 3

A. True

For fair enforcement of safety rules, a worker should know the penalties for failing to follow the rules.

the top of the head

For fasteners that are designed to be countersunk, the length is determined by the distance from the end of the fastener to ___.

A. 210.8(A)(5)

For homes, Section ___ of the NEC® requires that all 125-volt, single-phase, 15- or 20-amp receptacles installed in unfinished basements, such as workshops, shall have GFCI protection. A. 210.8(A)(5) B. 220.4(B)(4) C. 230.2(A)(2) & (3) D. 240.4(C)(5) & (6)

C. 80

For residential circuits, a good rule to follow is to never load a branch circuit to more than ___ percent of the rating. A. 50 B. 75 C. 80 D. 100

A. this satisfies the NEC® requirement

For stairway lighting, a typical installation is to install a 3-way switching system. For a dwelling, ___ for stairway lighting control. A. this satisfies the NEC® requirement B. there are no NEC® requirements

A. A only

For the receptacle shown in Figure 112.217, a grounding conductor is connected at Point ___. A. A only B. B only C. C only D. either B or C E. neither A nor B nor C

B. 27 amperes

For this question, assume that this is a 240-volt, single-phase installation. A 6,500 watt cooking range installed in a residence will draw ___ when operated at 240 volts.

B. 22"

From the measured end of the conduit, where do you mark the EMT to place the arrow on a 3/4-inch bender to get a stub-up of 28 inches?

A. True

If you have to temporarily re-energize equipment while you are working on it, you must re-apply energy release and lockout/tagout as soon as energy is no longer needed in the system.

A. at least one

In a dwelling (such as your house) how many 20-amp branch circuits are required by the NEC® to supply power to an area where a clothes washing machine is to be plugged into a receptacle? A. at least one B. at least three C. at least two D. none are required

E. any of these

In a suspended ceiling system, lay-in luminaires shall be securely fastened to the ceiling framing member by mechanical means such as ___. A. listed clips B. bolts C. rivets D. screws E. any of these

D. both a and b

In accordance with 404.2(C)(2), a three-wire cable is installed between a 2-gang switch box and a ceiling outlet box. A fan with a light kit will be installed in the ceiling box. Two 1-pole switches will be installed in the box with one for the fan and one for the light. The white conductor used to feed the "hot" to the switches has to be re-identified with black tape (or equivalent) ___. A. inside the switch box B. inside the ceiling box C. throughout the entire length of the conductor D. both a and b E. none of these

B. building code

In addition to National Electrical Code requirements, some areas have ___ requirements for energy conservation that also affect luminaire selection. A. seismic B. building code C. statutory D. EPA

A. 165.94

In an area on the jobsite, you must install lights in a new triangle-shaped sidewalk as shown in Figure 107.1303. Your contract requires that this area be poured with concrete around your lights and you will have a concrete contractor do the finishing. He will charge you by the number of square feet of area to be finished.The concrete contractor's invoice should be for ___ ft2.

A. $391.56

In an area on the jobsite, you must install lights in a new triangle-shaped sidewalk. Your contract requires that this area be poured with concrete around your lights and you will have a concrete contractor do the finishing. The two sides of the area are as shown below. According to your contract with the owner, you also had to purchase the concrete for the sidewalk. The sidewalk is 51/2 inches thick and the concrete is $139 per cubic yard. The cost for the concrete is $ ___

A. 4.5

In other than horizontal runs, cables installed in accordance with 300.4 shall be considered supported and secured where such support does not exceed ___' intervals and the armored cable is securely fastened in place by an approved means within 12 inches of each box, cabinet, conduit body, or other armored cable termination. A. 4.5 B. 10 C. 3 D. 6

B. thousand

In the international system of units, the prefix kilo- means ___.

C. both I & II

Light switches (toggle switches) are rated for the maximum ___.I. voltage II. current A. I only B. II only C. both I & II D. neither I nor II

A. can

Light that is violet in color ___ be seen by the human eye. A. can B. can not

C. none are required

In the public restroom of a restaurant, how many receptacles are required to be installed on an adjacent wall within 36 inches of the lavatory (sink)? A. two, one on the left side + one on the right side of the lavatory (sink) B. one, it can be on the left side or on the right side of the lavatory (sink) C. none are required

A. True

In walls or ceilings constructed of sheetrock, brick, or concrete block, it is acceptable to have the front edge of the box set back as much as 1/4 inch from the finish surface.

B. True

In walls or ceilings constructed of sheetrock, brick, or concrete block, it is acceptable to have the front edge of the box set back as much as 1/4 inch from the finish surface.

B. False

Incandescent dimmers can be used to control fluorescent luminaires. A. True B. False

B. immediately

Injuries should be reported to your supervisor ___. A. within 72 hours B. immediately C. within 48 hours D. within 24 hours

C. 28' 10-5/8"

Interior walls of a residence consist of a 2 x 4 (3-1/2") with 1/2" sheetrock on both sides. Exterior walls are 2x6 (5-1/2") construction with 1/2" sheetrock on the interior and 7/16" sheeting with 3-5/8" brick on the exterior. Determine the outside dimension of a house if there are two interior rooms with an interior wall. One room dimension is 11' 3", Room 2 dimension is 15'7".

B. False

Ladders can be used in the horizontal position for scaffolds or work platforms.

C. 3

Ladders should extend at least ___ feet above the landing for easy access.

B. the power souce

Leakage current wants to get to ___. A. the earth B. the power souce C. your body

B. to cut left-turning curves

Left-cutting aviation snips are used ___.

C. 6

Lengths of flexible metal conduit longer than ___ feet are not acceptable as an equipment grounding conductor. In such cases a separate bonding jumper is required to be run outside of the flexible conduit to maintain the continuity of the grounding path. A. 10 B. 41/2 C. 6 D. 3

A. installed in wet locations

Look in the NEC® Index and find Uses Permitted for UF cable. An example of a permitted use is where ___.

D. all of these

Low voltage at the load served (high voltage drop in the circuit conductors) in a home can be caused by ____. A. a conductor that is too small for the load B. a circuit that is too long C. poor connections at the terminals D. all of these

E. either a, or b, or c

Luminaire is a term that refers to ___. A. incandescent lighting fixtures B. fluorescent lighting fixtures C. outdoor pole-mounted fixtures D. either a or b E. either a, or b, or c

B. False

Luminaires are often supplied with separate trims, lenses, diffusers, etc. The NEC® at 110.3(B) states that "listed or labeled equipment shall be used or installed in accordance with any instructions included in the listing or labeling."This means that it is permitted to use the trim ring from a Halo luminaire on a Lightolier downlight. A. True B. False

B. I or II only

Luminaires that are installed on the outside of an office building under a covered entryway are permitted to be marked as suitable for ___ locations.I. wet II. damp III. dry A. II only B. I or II only C. I, II, or III D. III only E. I only F. II or III only

D. all of these

Many battery problems are caused by ___ terminal connections. A. dirty B. loose C. corroded D. all of these

A. lower

Many times specifications require the use of incandescent lamps for 120-volt systems to be rated for 125 or 130 volts because operating the lamp at a voltage ___ than its rating extends its life. A. lower B. higher

A. can be prevented by placing screening up to the guard rail

Materials falling off scaffolds ___. A. can be prevented by placing screening up to the guard rail B. does not pose a problem C. can be prevented by keeping personnel away from the materials D. none of these

C. both a & b

Nominal voltage includes a range of actual circuit voltages that are ___ the nominal voltage. A. slightly above B. slightly below C. both a & b D. neither a nor b

E. 22 1/2

Refer to Figure 106.25. When making a 45º saddle, Point 1 is bent to an angle of ___ degrees. 107.2 question 9

E. 22 1/2

Refer to Figure 106.25. When making a 45º saddle, Point 1 is bent to an angle of ___ degrees. A. 90 B. 60 C. 45 D. 30 E. 22 1/2

E. $5.71

On your job you have started working 10-hour days (7 am to 5:30 pm with 1/2 hour for lunch). However, for the additional two hours overtime worked per day you are allowed a 15-minute break at 3:30. When you were working 8-hour days you were installing 24 light fixtures during those 8 hours. You make $10 per hour. Assuming that you continue to install the same number of fixtures per working minute and considering only your wages how much per fixture does it cost your contractor to install each light fixture that you install after 3:30 pm? Remember you are being paid time-and-a-half after 3:30 but you don't go back to work until your afternoon break is finished at 3:45 pm.

E. none of these

One metal switch box has a volume of 10.5 cubic inches. If four of these boxes are ganged together to make one 4-gang box, the total volume of the box assembly is ___ in3. A. 40.5 B. 12.96 C. 25.92 D. 51.84 E. none of these

C. both a and b

Overheating of luminaires (fixtures) which often results in fires is most often caused by ___. A. burying recessed luminaires under thermal insulation B. overlamping C. both a and b D. neither a nor b

D. 0

Per the NEC® the number of receptacles required in an IEC classroom is ___. The room dimensions are 36 feet ? 24 feet with a 3-foot wide door at the far end of one of the 36-foot long walls. Nobody lives there! A. 9 B. 17 C. 4 D. 0 E. 8

C. 10

What size equipment grounding conductor is contained in 10-3 Type MC cable? A. 14 B. 3 C. 10 D. 12

B. hook

Point X in Figure 106.11 is identified as the ___. A. rim notch B. hook C. star D. arrow

D. arrow

Point Z in Figure 106.11 is identified as the ___. 107.R Question 1

D. arrow

Point Z in Figure 106.11 is identified as the ___. A. rim notch B. hook C. star D. arrow

C. both a and b

Poor housekeeping ___. A. forces awkward postures B. limits proper access to objects being lifted C. both a and b D. neither a nor b

C. both a and b

Poor housekeeping ___. A. forces awkward postures B. limits proper access to objects being lifted C. both a and b D. neither a nor b

E. 20

Portable step ladders longer than ___ feet should not be used.

E. 6-15R

Receptacle I in Figure 112.212 has a NEMA designation that is ___. A. 5-30R B. 5-15R C. 6-20R D. 5-20R E. 6-15R

D. 125

Receptacles for use on nominal 120-volt circuits are marked ___ volts. A. 110 B. 115 C. 120 D. 125

A. True

Receptacles that are installed on the exterior of a child-care facility are required by the NEC® to be GFCI protected. A. True B. False

C. 1, no

Refer to EWR Drawing 9 and determine how many fans are to be installed in the rear hall powder room and whether these are required to be GFCI protected. A. 1, yes B. 2, yes C. 1, no D. 2, no

A. 12 3/8"

Refer to Figure 105.1402, shown above. The overall thickness (inside finish-to-outside finish) of the exterior wall of a building at ? on the drawing is ___.Each of the two layers of sheetrock is 5/8" thick. The (metal) stud is 6 inches. The sheathing is 1/2 inch. There is a 1-inch air space between the sheathing and the brick. The brick is 35/8 inch. 105.1D question 7

E. 19'-101/8"

Refer to Figure 105.1403, shown above. This is a plan view (looking down). The conduit is to be stubbed up in the center of the cement block wall. The block wall is 8-inches wide. What is the dimension (?) shown in the drawing? 105.1D Question 8

A. 3'-1 13/16"

Refer to Figure 105.1510. The length of the perimeter of the right triangle is ___ where a = 9" and b = 13". 105.1 E Question 7

B. 1 11/16

Refer to Figure 106.22. If a 9-inch 221/2º offset is made, the conduit will "shrink" ___ inches between the box and the obstruction. A. 2 1/4 B. 1 11/16 C. 4 1/2 D. 3 3/8 E. none of these

B. arrow

Refer to Figure 106.25. Make your marks on the conduit as shown, you will place the ___ on your bender at Point 3. 107.R question 7

B. arrow

Refer to Figure 106.25. Make your marks on the conduit as shown, you will place the ___ on your bender at Point 3. A. rim notch B. arrow C. star

D. none of these

Refer to the legend and partial circuit plan shown below. If all the cables entering the lighting fixture box were 10-2 MC cable (this cable always contains an insulated ground), what is the shallowest 4" octagonal metal box that could be used? The MC cables will be connected to the box using external connectors. There are NO cable clamps within this box. The fixture canopy can easily hold the 16 AWG fixture wires so these do NOT need to be counted. A. 11/4 B. 11/2 C. 21/8 D. none of these

C. 2 1/8

Refer to the legend and partial circuit plan shown here. If all the cables entering the luminaire box were 12-2 MC (this cable always contains an insulated ground), what is the shallowest 4" octagonal metal box that could be used? The MC cables will be connected to the box using external connectors. There are NO cable clamps within this box. The fixture canopy can easily hold the 16 AWG fixture wires so these do NOT need to be counted. A. 1 1/4 B. 1 1/2 C. 2 1/8 D. none of these

B. No

Refer to the partial circuit plan shown in Figure 115.103. You are required to size the box that will contain a split-wired receptacle. If the cables entering this box were all #12 MC cables, could a 31/2" deep masonry box be used here? The MC cables will be connected to the box using external connectors. There are NO cable clamps within this box. Hint: don't forget to count the wires for the device and the ground(s) that are in the MC cable. A. Yes B. No

E. 2, 4, 11, 1, 6, 16, 8, 9, 7 &13

Refer to the plan view of a kitchen shown in Figure 117.305. This kitchen is located in a preschool facility. Receptacles ___ are required by the NEC® to be GFCI protected. A. 9, 7, 13, 2, 4, 11, 1 & 6 B. 2 & 4 C. 7 & 9 D. 2, 4, 1 & 6 E. 2, 4, 11, 1, 6, 16, 8, 9, 7 &13

A. F32/T8

Refer to your Bay Colony Fixture Schedule. If you are to install the lamps in the A fixtures, you will need type ___ lamps for the fixtures. A. F32/T8 B. F96/T8 C. F40/T12 D. 38W/F38 E. F32/T8X

B. inversely

Referring to the Ohm's Law formula I = E ÷ R:In a DC circuit, the current is directly proportional to the voltage and ___ proportional to the resistance.

B. When a wiring method is used (that is permitted to be longer than 6 feet for other than luminaire connections) "fixture whips" longer than 6 feet are required to be supported and grounded per the NEC® for that wiring method.

Repeated reference is made in EWR and the NEC® to limit the length of "fixture whips" to 6 feet. What is the significance of this 6-foot limitation? A. The NEC® never permits "fixture whips" using any wiring method to be longer than 6 feet. B. When a wiring method is used (that is permitted to be longer than 6 feet for other than luminaire connections) "fixture whips" longer than 6 feet are required to be supported and grounded per the NEC® for that wiring method.

D. all of these

Residential wiring plans generally show lighting and receptacle outlet locations but not circuits. The electrician should design the installation with which of the following in mind: ___. A. economy - minimizing the number and length of circuits B. convenience for the homeowner or other user C. National Electrical Code requirements D. all of these

C. both I & II

Section 410.36(B) in the NEC® requires that when a suspended ceiling grid is used to support lay-in type luminaires, ___.I. the grid be securely fastened together and secured to the building structureII. the lay-in luminaires be securely fastened to the grid members using bolts, screws, rivets, or listed clips A. I only B. II only C. both I & II D. neither I nor II

C. 210.52(C)(1)

Section ___ in the NEC® has a requirement that, for dwellings, receptacle outlets along kitchen countertops shall be installed so that no point along the wall line is more than 600 mm (24 in.) measured horizontally from a receptacle outlet in that space. A. 210.52(B)(3) B. 210.52(A)(3) C. 210.52(C)(1) D. 210.52(A)(1) E. 210.52(A)(2)(2)

E. N/A

Section ___ in the NEC® requires that a 20-amp dedicated branch circuit be installed for receptacles in office building bathrooms. Select N/A (not applicable) if there is not a Code reference for this. A. 210.11(C)(3) B. 210.8(B)(1) C. 210.52(D) D. 210.70(A)(1) Exc. 1 E. N/A

B. False

Short ladders can be spliced together to make long ladders.

A. increases

Since muscles can be starved of nutrients and waste products can build up, holding heavy items over your head for a long period of time ___ risk of back and shoulder injury. A. increases B. decreases

B. 30

Single ladders longer than ___ feet should not be used.

B. 8.61

Six 20 watt, 12-volt luminaires (lighting fixtures) are supplied from a small, 12-volt transformer that is 60 feet away from the fixtures. The wire used is 14 AWG. What is the voltage applied to the fixtures? Use K = 11.6. A. 3.39 B. 8.61 C. 10 D. 8.5 E. 12

B. metal

Snap switches with metallic yokes (straps) have a terminal for the equipment grounding conductor. Using this type of switch provides a means for grounding ___ faceplates when nonmetallic boxes are used. A. oversize B. metal C. nonmetallic D. recessed

A. Fluorescent

What type of lamp is an F32-T8? A. Fluorescent B. Mercury vapor C. Quartz Halogen D. PAR flood

A. Single pole

What type of switch would you use to control a lighting load from one location only? A. Single pole B. Three way C. Four way D. relay switch

A. manufacturer-provided anchor points on the lift

When working in an aerial lift, you are required to tie off. It is permitted to tie off to ___. A. manufacturer-provided anchor points on the lift B. an adjacent pole or structure C. either a or b D. neither a nor b

E. 15

Where 10 AWG THHN/THWN copper circuit conductors are connected to a 15-amp circuit breaker, the circuit is considered to be a ___-amp branch circuit. A. 25 B. 35 C. 20 D. 30 E. 15

C. 15

Where 12 AWG THHN/THWN copper circuit conductors are connected to a 15-amp circuit breaker, the circuit is considered to be a ___-amp branch circuit. A. 35 B. 25 C. 15 D. 30 E. 20

D. two-wire

Some portable appliances use double insulation in place of grounding to provide shock protection to users. Double-insulated appliances normally have ___ power cords and attachment plug caps. A. three-wire B. 16 AWG or larger C. Type SJT D. two-wire

B. 12 in

Where 12-4 Type AC cable is installed, the maximum distance permitted between a box and the first strap (support) is ___. A. 6 ft B. 12 in C. 3 ft D. 41/2 ft E. 8 in

C. 7

The plan view for the basement of a house is shown here. The dimensions are shown on the drawing. The fewest number of receptacles that can be installed in the basement is ___. A. 9 B. 8 C. 7 D. 1 E. none of these

C. 1.2 kW

The power used by a 120-volt, 10-ampere load is ___. A. 1200 kVA B. 12 volt-amps C. 1.2 kW D. none of these

A. two circuits to be connected

The purpose of the "break-off tabs" between the terminals on a duplex receptacle is to permit ___. A. two circuits to be connected B. bonding to a metal box C. either a or b D. neither a nor b

E. 3 ft

Where 3" EMT is installed, the maximum distance permitted between a box and the first strap (support) is ___. A. 10 ft B. 12 in C. 6 ft D. 41/2 ft E. 3 ft

A. 60

Where a 30º offset is made in the conduit shown in Figure 106.21, there are ___ degrees of bend in the conduit. 107.2 question 14

B. 3

What is the maximum distance permitted between straps (supports) where ENT (Electrical Nonmetallic Tubing) [often called smurf pipe by some people because a commonly available color is blue] is run between boxes or enclosures? The distance between the boxes (or enclosures) is almost 200 feet. ___ feet A. 41/2 B. 3 C. 10 D. 6

D. Above certain electric baseboard heaters

Where are electrical receptacle outlets not permitted to be located? A. Below lighting fixtures B. On outside decks and porches C. Above 8" from the finished floor D. Above certain electric baseboard heaters

D. 130

Where connected to 120-volt circuits, incandescent lamps with a voltage rating of ___ would be used in areas that require scaffolding or tall ladders to relamp. A. 277 B. 120 C. 240 D. 130

E. 150

What is the maximum number of recessed luminaires that can be installed on a 20-amp 277-volt branch circuit? Each luminaire will draw 36.8 watts at 277 volts. These luminaires will NOT be operated continuously. DO NOT multiply anything times 1.25!!! DO NOT divide anything by .8!!! A. 120 B. 65 C. 188 D. 52 E. 150

D. 410.10(D)

The Code reference that permits or prohibits surface-mounted luminaire installations in shower enclosures is ___. Select N/A (not applicable) if there is not a Code reference for this. A. 410.10(A) B. 210.8(B)(1) C. 210.52(D) D. 410.10(D) E. N/A

E. N/A

The Code reference that specifies the required number of receptacles in a hallway located in non-dwellings is ___. Select N/A (not applicable) if there is not a Code reference for this. A. 210.52(H) B. 210.60(B) C. 210.52(A)(3) D. 210.70(A)(2)(a) E. N/A

E. N/A

The Code section that addresses sensor (automatic) control of lighting in a restaurant bathroom is ___. Select N/A (not applicable) if there is not a Code reference for this. A. 210.70(A)(1) Exc 2 B. 210.8(A)(1) C. 210.8(B)(1) D. 210.70(A)(2) E. N/A

A. does

The NEC® ___ require at least two 20-amp small-appliance branch circuits to supply power to countertop receptacles in the kitchen of a house. A. does B. does NOT

A. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)

The NEC® defines a branch circuit as ___. A. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) B. a minimum of two circuit conductors protected by an overcurrent protective device C. all conductors that are connected to a load D. none of these

A. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)

The NEC® defines a branch circuit as ___. A. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) B. a minimum of two circuit conductors protected by an overcurrent protective device C. all conductors that are connected to a load D. none of these

C. 12.8

The NEC® permits 20% of the cross-sectional area in a wireway to be occupied by conductors. For an 8" x 8" x 6' long wireway the conductors can occupy ___ in2.

B. 352.30

The NEC® requirements for securing Schedule 40 PVC in horizontal runs are located in Section ___. A. 356.30(3) B. 352.30 C. 344.30 D. 378.30(A)

D. unspecified

The NEC® specifies that the maximum number of receptacles that can be connected to a 15-amp, 120-volt branch circuit in a dwelling is ___. A. 20 B. 13 C. 10 D. unspecified

A. True

The National Electrical Code does not address the issue of "spill lighting" or "light pollution" from one property to another because unwanted illumination is not a safety issue, and the NEC® is a safety standard. However, building codes sometimes have rules on this subject. A. True B. False

B. SI (metric)

The National Electrical Code® shows measurements in which system of units first?

D. W

The abbreviation or symbol used to represent the unit of measurement for power is ___.

B. square feet

The correct unit of measurement for the answer found in the previous question is expressed in ___. (The previous question this refers to is: If a perfectly square concrete equipment pad has a 9 ft² of surface area, the measurements must be _____ inches on each side.)

C. grounded

The metal surfaces of electrical tools and equipment are required to be ___. A. covered B. double insulated C. grounded D. isolated

C. 67.5

The nameplate on a 1Ø boiler indicates that it can be connected to either a 240- or 480-volt circuit. In this case, the supply circuit is 480 volts. It contains two heating elements. Each element has a rating of 16.2 kW at 240 volts. A boiler is simply a large water heater.For Scenario 125.101-480, the boiler will pull ___ amps through each branch circuit conductor.

C. mounting strap

The part of a receptacle shown here is the ___. A. body B. face C. mounting strap D. contact plate

D. hook

The part of the bender that holds the conduit during a bend is the ___. A. arrow B. rim notch C. star D. hook

A. 11

What is the minimum number of 20-amp 277-volt branch circuits required where 810 incandescent luminaires are to be installed? The lamps to be installed are rated at 75 watts at 277 volts. This is NOT a continuous load so each circuit can carry 20 amps maximum. A. 11 B. 41 C. 59 D. 73 E. 51

D. 21.6 kW

What is the power used by a circuit that is operating at 480 volts and pulling 45 amps?

A. 236

Three 6" x 6" and two 8" x 8" electrical boxes are installed in a wall between two studs. There are ___ square inches of wall area taken up by the boxes.

A. 0

What is the fewest number of receptacles required by the NEC® to be installed above a 20-foot long stainless steel countertop in the kitchen of a Restaurant? This is NOT a dwelling unit. There are two 36 inch wide stainless sinks in the countertop with 10 inches of countertop space between the two sinks. The 10 inch space is centered in the 20' length of the countertop. A. 0 B. 6 C. 2 D. 4 E. none of these

D. 3.46

What is the voltage drop on a 120-volt circuit consisting of 10 AWG copper wire where the load is 30 amps and the distance between the panel and the load is 50 ft (Use K=12) A. 1.73 B. 5.2 C. 2 D. 3.46 E. 6.94

C. either a or b

To minimize the need to bend or reach to access materials, these should be placed on ___ to locate them in the power zone. A. stands B. racks C. either a or b D. neither a nor b

C. I or II or III

To operate equipment ___ in Figure MHE-1, you must be fully trained and qualified. A. I only B. I or II only C. I or II or III D. II only E. II or III only

C. 15

Tomorrow a 450-foot-long trench must be hand-dug among some trees where you can't operate a trencher. You know that it takes one apprentice 11/2 hours to dig 9 feet of trench to the required depth. The fewest number of apprentices you will need to assign to tomorrow's trench project to get it done in 5 hours is ___.

A. back

Tools and equipment should be removed from the ___ of a pickup truck. A. back B. sides C. either a or b D. neither a nor b

D. 11.5 circuit conductors + EGC = (4 x 2.25) +2,5 = 11.5 cu in. NEC 314.16

Two 12 AWG circuit conductors and a 10 AWG equipment grounding conductor that enter through one conduit and exit another conduit can be spliced with wire nuts inside an "LB" if the "LB" is marked with a cubic inch capacity of at least ___ cubic inches. A. 9 B. 14 C. 7 D. 11.5 circuit conductors + EGC = (4 x 2.25) +2,5 = 11.5 cu in. NEC 314.16 E. none of these

A. 0

What is the fewest number of receptacles required by the NEC® to be installed above a 20-foot long stainless steel countertop in the kitchen of a Restaurant? This is NOT a dwelling unit. There are two 36 inch wide stainless sinks in the countertop with 10 inches of countertop space between the two sinks. The 10 inch space is centered in the 20' length of the countertop. A. 0 B. 6 C. 2 D. 4 E. none of these

B. 3

What is the maximum distance permitted between straps (supports) where ENT (Electrical Nonmetallic Tubing) [often called smurf pipe by some people because a commonly available color is blue] is run between boxes or enclosures? The distance between the boxes (or enclosures) is almost 200 feet. ___ feet A. 41/2 B. 3 C. 10 D. 6

B. 2' x 2'

U-shaped fluorescent lamps are primarily used in ___ luminaires (lighting fixtures). A. 1' x 4' B. 2' x 2' C. 2' x 4' D. 1' x 8'

E. None of these A. When the pliers strike the surface at a right angle B. When the object being struck is in a vise or otherwise secured C. When safety glasses are worn D. All of these E. None of these

Under which condition listed below is it permitted to use pliers as a hammer?

C. either a or b

Undesirable "noise" on a circuit can cause computers to "lock up," lose their memory, and/or cause erratic performance of the computer. This "noise" could be caused by ___. A. EMI B. RFI C. either a or b D. neither a nor b

A. 110.12(A)

Unused openings in Boxes shall be closed. Find the code reference. The Code Reference for this is ___. (Always look for key words in the Index.)

A. resistance

Voltage drop problems can be caused by any of the following conditions:• wire too small for load served• circuit conductors too long• poor or corroded connections at terminals• conductors operating at high temperatures (higher temperatures increase resistance)The presence of one or more of these conditions causes an increase in the total ___ of the circuit. A. resistance B. voltage C. current

A. black, red & white

What are the insulation colors of the conductors contained in 12-3 Type AC cable? A. black, red & white B. black, red & blue C. brown, purple & yellow D. black, white & green

A. I only

What conductor in a circuit is permitted to be marked with a color of white or gray?I. grounded II. equipment grounding III. ungrounded A. I only B. II & III only C. I & II only D. II only E. III only

E. All of these

What considerations should be given when selecting a knot? A. It fits the purpose. B. It will hold until you untie it. C. It is easily tied. D. It is easily untied. E. All of these

D. Any of these

What could happen if a hammer with a loose handle is used? A. The hammer could fly off the handle and strike someone nearby. B. The hammer could slip down the handle, striking the user's hand. C. The hammer could twist and strike a surface with a glancing blow. D. Any of these E. None of these

A. Switch with pilot lamp

What does the "Sp" symbol represent?

B. 11.02 A

What is the current in a circuit if the voltage applied to a load is 492 volts? The connected load contains two series-connected resistive heating elements that are EACH rated for 2.8 KW at 250 volts. A. 22.32 amps B. 11.02 A C. 22.04 amps D. 11.2 amps E. 11.38 A

B. 11.02 A

What is the current in a circuit if the voltage applied to a load is 492 volts? The connected load contains two series-connected resistive heating elements that are EACH rated for 2.8 KW at 250 volts. A. 22.32 amps B. 11.02 A C. 22.04 amps D. 11.2 amps E. 11.38 A

D. 7.35 volts

What is the voltage drop on a 120-volt circuit? The circuit uses 12 AWG copper conductors and has a load of 20 amperes. There is a distance of 100 feet from the panel to the load. (Use K=12) A. 3.67 volts B. 6.53 volts C. 3.25 volts D. 7.35 volts

A. plaster ring

When a switch is to be installed in a 411/16" square (2100 or 411) box, a(n) ___ must be installed on the box. A. plaster ring B. extension ring C. two-gang switch cover (plate) D. none of these

pull

When applying high torque to a wrench you should adjust your stance, to avoid falling should the wrench slip, and then __ on the wrench handle.

A. I only

When batteries are connected in parallel, the ___ supplied to the connected load increases.I. current II. voltage A. I only B. II only C. both I & II D. neither I nor II

B. True

When calculating loads to determine the size of a service, the lighting load in volt-amps is calculated by multiplying the floor area times the value shown in Table 220.12 of the NEC®. A. False B. True

B. True

When calculating loads to determine the size of a service, the lighting load in volt-amps is calculated by multiplying the floor area times the value shown in Table 220.12 of the NEC®. A. False B. True

C. decreased

When circuit resistance is increased, such as when corrosion develops at wire nut terminations, the flow of electrons in a circuit is ___. A. not affected B. increased C. decreased

A. put things where they belong

When cleaning up a jobsite at the end of the day, you should ___. A. put things where they belong B. throw everything away C. pile everything in the middle of the room D. any of these

C. both a & b

When connecting batteries as a bank, each battery should have the same ___ rating. A. voltage B. Amp-Hr C. both a & b

C. a grounded surface in the vehicle with the "dead" battery

When giving someone's vehicle a "jump start" using jumper cables, the last connection made is to ___. A. the negative post on the "dead" battery B. the negative post on your battery C. a grounded surface in the vehicle with the "dead" battery D. any of these

A. True

When installed as the neutral for a 120-volt circuit, the neutral is considered to be a current-carrying conductor. A. True B. False

E. I & III only

When installing receptacles in a bathroom in a house, the receptacles are required to be ___.I. GFCI protected II. AFCI protected III. of the tamper-resistant type A. II only B. I only C. II & III only D. I, II & III E. I & III only

C. marked with its cubic-inch volume

When it is ___, a raised plaster cover (often called a plaster ring or mud ring) is permitted to increase the maximum number of conductors permitted in an outlet box. A. listed as a box extension B. by the same manufacturer as the box C. marked with its cubic-inch volume D. metallic and capable of being grounded

C. the middle of your thighs and the middle of your chest

When lifting, the power zone is located on your body between ___. A. your knees and waist B. the top of your head and your waist C. the middle of your thighs and the middle of your chest D. the middle of your chest and the top of your head

D. all of these

When operating an aerial lift on an incline, ___. A. the brakes shall be set B. outriggers shall be used if provided C. wheel chocks shall be used D. all of these

B. must be trained on the particular lift he is using

When operating an aerial lift, the operator ___. A. must be trained on aerial lifts B. must be trained on the particular lift he is using C. requires no special training but must have his supervisor's permission D. is permitted to learn "on the job"

B. No

When raised covers ("industrial covers") are used for receptacles, does the Code permit fastening the receptacle to the cover with just the one center 6/32 screw (as shown)? A. Yes B. No

D. do not break lamps and place in carton box

When removing lamps from a fluorescent fixture, be certain you ___. A. break the lamps and discard in the trash B. break the lamps and clean up any residue C. do not break lamps and tape together D. do not break lamps and place in carton box E. pack broken and unbroken lamps together and discard in the trash

D. 600.32(I)

When supplied by a transformer that has a 1400-volt output, neon tube lighting in residences is prohibited by NEC® Section ___. A. 110.54(B) B. 600.5(B)(2) C. 600.21(B) D. 600.32(I)

B. conductor

When there's a current leakage from a tool or piece of equipment, the current will flow through any available ___ until it reaches a grounded surface or grounding conductor. A. insulator B. conductor

B. False

When using a powered drill or saw the cutting speed should be as fast as the tool will operate regardless of the material being drilled or cut.

E. I, II, & III

When using an adjustable wrench if you don't tightly adjust the jaws to the nut you could ___ .I. damage the fastener II. hurt yourself III. damage the wrench

D. all of these

When using conduit wiring methods, which of the following colors of insulation or marking are permitted to identify "hot" phase (ungrounded) conductors? A. black, red, and blue for 120/208-volt systems B. brown, orange, and yellow for 277/480-volt systems C. any colors except white, gray, or green D. all of these

A. green with yellow stripe

When using individual 6 AWG conductors in a raceway, which of the following colors of insulation are not permitted for the grounded conductor? A. green with yellow stripe B. white C. black with three white stripes D. gray

B. floor-mounted receptacles

Where fixed glass panels (i.e., windows or non-sliding parts of doors) do not permit installation of wall-mounted receptacles, ___ are typically used to satisfy the receptacle spacing requirements of NEC® 210.52(A)(1) and (2). A. extension cords B. floor-mounted receptacles C. quad receptacles D. GFCI-protected receptacles

E. all of these

Where installed in a luminaire, which of these fluorescent lamps should be replaced? A. a lamp that is blackened on one end B. a lamp that is blackened on both ends C. replace only the lamp not "burning" (although one of the two lamps in the 2-lamp luminaire is ON) D. a "flickering" lamp E. all of these

A. True

Where used inside a building on a jobsite, 120 volt power tools are required to be plugged into a GFCI protected receptacle or GFCI protected extension cord (connector or female end).

C. #6 copper

Which THHN wire size listed below has the highest resistance? Use Table 8 in Chapter 9. A. #3 aluminum B. #4 copper C. #6 copper D. #3 copper

A. I only

Which connection diagram in Figure 116.303 is correct where the batteries are rated at 6 volts? A. I only B. II only C. either I or II D. neither I nor II

D. I & III only

Which materials listed below are good conductors? I. copper II. air III. gold

C. I only

Which of the boxes shown in Figure 107.37 can be "ganged" together to form a 3-gang box? 106.4 question 5

E. none of these

Which of the following 125-volt, 15- and 20-ampere receptacle(s) installed in kitchens is required to be connected to one of the two 20-ampere small-appliance circuits serving the kitchen and dining room areas in a dwelling? A. a receptacle installed to plug in a gas appliance to serve the ignition and/or clock devices B. a receptacle installed to plug in a refrigerator C. a receptacle installed below the sink to serve a food-waste disposer D. all of these E. none of these

D. a & b only

Which of the following 125-volt, 15- and 20-ampere receptacles installed in kitchen and dining room areas in a dwelling is (are) permitted to be connected to one of the two 20-ampere small-appliance circuits? A. a receptacle installed to plug in a gas appliance to serve the ignition and/or clock devices B. a receptacle installed to plug in a refrigerator C. a receptacle installed below the sink to serve a food-waste disposer D. a & b only E. a, b & c

E. any of these

Which of the following boxes could be used for three each 10 AWG and six each 12 AWG conductors? A. 2-Gang 21/2" deep masonry box B. 11/2" deep 4"-SQ box C. 11/4" deep 411/16"-SQ box D. 31/2" deep masonry box E. any of these

D. All of the above

Which of the following could cause an accident? A. Working while you are sick B. Distractions C. Lack of training D. All of the above

D. power tool injury

Which of the following is NOT considered electrical hazard by OSHA.

C. 2 A

Which of the following represents the highest current (ampere) value?

B. An 8 AWG conductor has a greater resistance per foot than a 6 AWG conductor.

Which of the statements below is true? A. A 12 AWG conductor with THHN insulation has a greater resistance per foot than a 12 AWG conductor with THW insulation B. An 8 AWG conductor has a greater resistance per foot than a 6 AWG conductor. C. The resistance per foot of a 14 AWG conductor is the same as that of a 10 AWG conductor. D. None of the statements above is true.

B. An 8 AWG conductor has a greater resistance per foot than a 6 AWG conductor.

Which of the statements below is true? A. A 12 AWG conductor with THHN insulation has a greater resistance per foot than a 12 AWG conductor with THW insulation B. An 8 AWG conductor has a greater resistance per foot than a 6 AWG conductor. C. The resistance per foot of a 14 AWG conductor is the same as that of a 10 AWG conductor. D. None of the statements above is true.

A. $4

Which of these is the symbol used for a 4-way switch? A. $4 B. $ C. $2 D. $3

D. 6

With the switch ON, the meter shown below should read ___ volts. Each solar cell = 1.5 volts. A. 16 B. 0 C. 12 D. 6 E. 24

B. 48.7

You are going to install a number of up lights in a new triangle-shaped sidewalk as shown in Figure 107.1301. Your contract requires that this area be poured with concrete around your lights. A concrete contractor will do the finishing and will charge you by the area to be finished. If the concrete contractor charges you by the number of square yards of area to be finished, his invoice should be for ___ yd2.

B. 12.06

You have dug a trench that is 24" wide, 36" deep, and 300' long. A cross-section view of the trench is shown in Figure 107.1410. You have installed THREE 4" PVC Schedule 40 conduits in the trench (this is called a duct bank) on supports. The bottom of each conduit is 2" above the bottom of the trench. The outside diameter of each conduit is 41/2". You must encase the conduits in red concrete to a depth that is 2" above the top of the conduits. Disregard the volume taken up by the pipe supports. You will need ___ cubic yards of red concrete after deducting for the volume displaced by the conduits.

D. II only

You need to use a power saw but you notice that the guard is damaged. You should ___.I. use it to make your cuts but be EXTREMELY carefulII. take the tool to your supervisor or tell him about it immediatelyIII. go find another one to use but don't use this tool A. I or II or III B. I only C. I or III only D. II only E. III only

A. Concentric

___ 90-degree bends are radius bends that are bent with a common center (or pivot point) and lay concentrically around each other, spaced equal distances apart. A. Concentric B. Eccentric C. Parallel D. Radius

D. I & III only

___ can prevent scaffolding accidents.I. Good housekeeping II. Nothing III. Safe procedures A. III only B. II only C. I only D. I & III only

B. Voltage

____ is the force that causes current to flow.

I understand and agree to comply

7.4 - I understand this is an online program and email is important. I agree to let [email protected] know any changes in my situation, status and/or assistance needed in addition to the instructor session for learning the related instruction.

E. a and c only

A flat (standard) blade screwdriver blade that ___ of a slot head screw should be selected. A. fits snugly into and reaches the bottom of the slot B. is 1/16" wider than the slot on each side C. is exactly the same width as the slot or slightly less than the slot width D. a and b only E. a and c only

device

A unit of an electrical system, other than a conductor, that carries or controls electric energy as its principal function is referred to as a(n) ___

device

A unit of an electrical system, other than a conductor, that carries or controls electric energy as its principal function is referred to as a(n) ___.

pulling

Adjustable wrenches should be used so that force is applied to the fixed jaw when ___ on the wrench.

Article 100

Article ___ in the NEC® distinguishes between an outlet and a receptacle

100

Article ___ in the NEC® distinguishes between an outlet and a receptacle.

C. safety glasses

As a minimum (select the ONE best answer), which piece of safety equipment listed below is required to be worn when cutting 12 AWG wire with pliers?

I understand and agree

Be it noted that - any/and/or all correspondence with on-line students will be copied to the Education Director/Coordinator, Executcive Director and/or Contractor Designee. Exception: Log in Information letter - by law, we are restricted from giving anyone, except the student, login information.

False

Cold chisels are used to split concrete blocks or bricks.

I understand and agree

Each lesson counts for four (4) hours of attendance for a total of DLLR required 144 hours. The student must complete the lessons within the time frame specified in their schedule to receive credit. Lessons that are incomplete, some homework and/or lab, etc not completed will make the student a fail/drop/incomplete - no credit given.

I understand and agree

Enrollment in the online related instruction - As soon as students are enrolled and books are available, books will be sent to the Contractor for distribution. You are enrolled and ready to go when you receive your login information from [email protected].

C knots, bends, hitches

For the types of configurations in the end or joining of rope, the three general categories are ___.

I have read and answered all questions - agree and understand

I acknowledge all aspects of the Training Policy, agree and understand that I must comply with this policy or I may be terminated from the Online Apprenticeship Program.

. Yes

I am aware that if I time out of my training at any point in time, I will have to pay extra to complete the training as required.

I agree

I have read and understand the syllabus in the Classroom Resource Area and all other aspects of the Classroom Resource Area.

I agree and will comply

I will attend and comply with an orientation session.

Yes

I will do my lessons according to the login informational letter and the downloadable calendar found in the classroom resource area which means completing a lesson per week.

A. I understand and agree

If you filled out an IEC-Chesapeake registration form and it refers to "SAC" - I understand the reference is to the State Apprenticeship Council (Maryland & District of Columbia). The curricula is utilized for classroom related instruction only in VA and is recognized by the Virginia Community College System (VCCS) to meet the classroom training requirements of contractors who have apprentices attending at IEC-Chesapeake.

I understand and agree

Labs: As per the curriculum, a. Read your training guidelines, on-line and in the required student manual and student workbook to accomplish your labs. b. Labs are required to be completed before moving on to the next lesson - milestones are in place to make sure you complete each lesson before moving forward. c. Students will receive a zero for incomplete labs.

knowing how to find information in a phone book

Navigating the NEC should be similar to _______

I understand and agree

On the Job Learning (OJL) Hours: As part of the Approved Apprenticeship Program, students are required to identify their On the Job Learning hours on a monthly basis. IECC Students - It is mandatory that students enter the hours online prior to the 15th of the following month being identified. Students failing to submit their OJL forms within the time frame identified will be assessed a processing fee of $20.00 for every month their forms are late. Students are required to submit monthly OJL repots via the IEC-Chesapeake website - www.iecchesapeake.com. Pay increases for state registered apprentices will be based on satisfactory completion of both hours worked and the appropriate segment of job related education as well as performance and tardiness/absenteeism record. Non-IECC students - please comply with your IEC Chapter and/or contractor requirements. It is a good idea to keep track of all your hours as an apprentice electrician. You may end up working in a jurisdiction that will ask for your hours.

I agree to these terms

On-line Apprenticeship Electrical Related Instruction Training is available 24 hours a day - 7 days a week.

I understand and agree

Online Apprenticeship Training Progression: On-line apprenticeship training is set up for the student to do one lesson per week. The student can do more than one lesson per week if time permits. If students do not do one lesson per week and fall behind, making it impossible to finish the semester as scheduled, an extension may be granted at a cost of $75.00for each incomplete lesson to the student.

I agree and understand

Questions referring to Class enrollment Class registration Class continuation Wage progression Employer changes State Registration etc., etc., should be directed to the [email protected]

. I agree and understand.

Refund Policy: Students who are enrolled and have received their log in will not be issued a refund.

answer- E . All of these A. installations subject to saturation of water or other liquids B. unprotected locations exposed to the weather C. directly buried cables D. raceways in direct contact with the earth E. all of these

The NEC® considers which of the following to be wet locations.

torque

The measure of rotational force is called ______.

D. should be thrown away

Tools with mushroomed striking or struck faces ___.

pressure

Voltage is similar to ____ in a water pipe.

Work done

Wattage is often compared to ______

Outlet

What is the point on a wiring system called that takes current to supply utilization equipment?

E. I or II or III

When using screwdrivers you should always be aware that the screwdriver blade might slip out of the slot and strike you in the ___. I. hand II. eye III. mouth

E. I, II & III

Which of the following are wire connectors? I. split-bolt II. compression connector III. mechanical lug

B. I, II & III

Which of the following are wire connectors? I. wire-nut II. split-bolt III. mechanical lug

A. 6 - 32

Which of these screws has the smallest shaft diameter? A. 6 - 32 B. 10 - 24 C. 12 - 24 D. 10 - 32 E. 8 - 32

II only

Which tools would be best to use to tighten the locknut/connector to the box? I. lineman's pliers ("kleins") and a flat-blade screwdriver II. tongue & groove pliers ("channel locks")

B. cold chisel

Which tool(s) could be (properly) used for cutting, shaping and removing metal that is softer than the tool itself?

False

Generally, when a nut and bolt fastener system is to be tightened a stationary backup wrench is placed on the nut and the bolt head is turned to tighten the assembly.

Answer = D all of these A. the correct length for the material to be cut B. sharp C. the proper type for the material to be cut D. all of these

Before using a reciprocating saw ("sawsall"), you should make sure that the blade is ___.

E. Picture of folding tape

The tool shown at ___ is a folding tape.

I understand and agree

Eligibility: Student must meet elibigility requirements for the On-Line Apprenticeship Training Program and must be approved by: 1) Employer 2) Apprenticeship Director or IEC Chapter 3) Non Member eligibility available Consideration will be on an individual basis. Students must have a computer system with minimum software applications (as noted on website), equipment and internet speed needed for online access.

Yes

I am aware if I miss four weeks of lessons, instructor sessions, labs, etc., my account may become inactive.

Yes

I am aware that any homework not completed as required is an incomplete and a fail for the semester and year.

Yes

It is my responsibility to adhere to the requirements of the online system - I will attend the instructor session each week.

Answer= D. Neither A or B A. when the pipe extension is no more than twice the length of the wrench handle and covers the handle at least ? its length. B. when the pipe extension has an inside diameter that is no more than 1/8? larger than the widest wrench handle dimension. C. Either a or b D. Neither a nor b

It is permitted to use an extension (cheater bar) on a wrench handle ___.

I understand and agree

On-Line Apprenticeship Training: Students placed in the on-line apprenticeship training course will be on-line for a full year. Students will not be allowed to switch to classroom in the middle of the school year. Students may be placed on-line during the year from the classroom if they have been relocated outside their classroom area. They will then have to complete the year via the on-line program and incur all additional costs. Any students transferring from a traditional brick and mortar training site to on-line at the beginning of a school session will need to purchase additional books/items that are carry over from previous year(s). Also, students will need to purchase books that were lost or destroyed.

I agree and understand

Technical questions including logging into the Online Training Website and navigation of the training site should be directed to - [email protected] Help with understanding a lesson and/or turning in homework should be directed to - [email protected]

Pressure

Voltage is similar to ____ in a water pipe.


संबंधित स्टडी सेट्स

Unit 2: Days (English Plus 1 Second Edition; page 24)

View Set

Anxiety Disorders, Obsessive-Compulsive Disorder, and Posttraumatic Stress Disorder

View Set

Understanding String, StringBuffer, and StringBuilder in JAVA

View Set

HRM: The Dynamic Environment of HRM (Chapter 1)

View Set

Week 2: Diagnostic interviewing & Differential Diagnosis

View Set

B.2 Domain 1: Hardware, All Questions

View Set

OS Installation & Upgrade Methods Quiz

View Set