Electrical spring semester

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

What year did the NFPA begin publishing the NEC®? a. 1901 b. 1962 c. 1921 d. 1914

1962

The volume of a 9-inch cube is _____.

729 cubic in

The maximum distance between kitchen countertop receptacles is __________ ft. Select one: a. 4 b. 3 c. 5 d. 6

a. 4

The ground-fault circuit interrupter shall be installed in a ___________location. Select one: a. Readily Accessible b. Isolated c. Hazardous d. concealed

a. Readily Accessible

An electrical drafting line with an arrowhead represents __________. Select one: a. a branch circuit homerun b. wiring turned down c. wiring concealed in the floor d. wiring concealed in a ceiling or wall

a. a branch circuit homerun

A change order is made because of __________________. Select one: a. a request for information b. an as-built drawing c. a construction error Section Reference 4.3.0 d. a late material delivery

a. a request for information

The symbols T1, T2, and T3 in a typical motor starter schematic represent _____________. Select one: a. motor terminals b. auxiliary contacts c. voltage supply lines d. line contacts

a. motor terminals Section Reference 3.4.3

A dashed line showing the location of an imaginary cut on a drawing is called a _____________. a. section line b. match line c. break line Section Reference 1.2.4 d. hidden line

a. section line

A ____________ is a special drawing prepared by a vendor for use by their employees. Select one: a. shop drawing Section Reference 3.0.0 b. detail drawing c. perspective drawing d. plan view

a. shop drawing Section Reference 3.0.0

A section line on a drawing shows __________. Select one: a. the location of the section on the plan Section Reference 1.3.0 b. the section scale c. where to locate receptacles in that section d. the north orientation

a. the location of the section on the plan Section Reference 1.3.0

The maximum distance between receptacles in a one-family dwelling is _____________ ft. Select one: a. 10 b. 12 c. 8 d. 6

b. 12

When sizing an outlet box, how many conductors must be deducted for a receptacle? a. 3 b. 2 c. 4 d. 1

b. 2

In addition to the number of branch circuits required by other parts of Article 210, at least one 120-volt, _______________ ampere branch circuit shall be installed to supply receptacle outlets in attached garages and in 9-etached garages with electric power. Select one: a. 30 b. 20 c. 15 or 20 d. 15

b. 20

A 125-volt, single-phase, 15- or 20-ampere rated receptacle outlet shall be installed at an accessible location within __________________ ft of heating, air-conditioning, and refrigeration equipment. Select one: a. 12 b. 25 c. 50 d. 6

b. 25

The current MasterFormat®section covering integrated automation is ____________. Select one: a. Division 28 b. Division 25 c. Division 18 d. Division 12

b. Division 25 Section Reference 4.2.

What electrical symbol is shown in Figure RQ06? Select one: a. Motor controller b. Fusible safety switch c. Underfloor bus junction box d. Panelboard

b. Fusible safety switch Section Reference 3.1.0 Figure 25

A commercial floor power plan will show _____________. Select one: a. service size calculations b. electrical panels c. luminaire locations d. fire alarm details

b. electrical panels Section Reference 3.3.3

The symbol shown in Figure RQ02 represents a _______________. Select one: a. incandescent luminaire (surface or pendant) b. incandescent luminaire with pull chain (surface or pendant) Section Reference c. temperature control relay d. transformer

b. incandescent luminaire with pull chain (surface or pendant) Section Reference 3.1.0; Fig. 23

On an architect's triangular scale, the 3/8" = 1' -0" scales will start ________________. Select one: a.on opposite ends of different edges Section Reference 2.1.0 b. on opposite ends of the same edge c. on the same edge as a scale marked 1:38 d. at the same end of the same edge

b. on opposite ends of the same edge

The symbol shown in Figure RQ03 represents a ______________. Select one: a. single receptacle outlet b. triplex receptacle outlet c. receptacle outlet split wired d. duplex receptacle outlet

b. triplex receptacle outlet Section Reference 3..1.0 fig. 23

ANSI requires that field instruments be calibrated at least once per ____________. Select one: a. month b. year c. two years d. week

b. year

To meet general recommendations, a residential branch circuit rated for 2,400 VA should have a connected load of no more than _______________. Select one: a. 2,040VA b. 1,680VA c. 1,920VA d. 2,160VA

c. 1,920VA Section Reference 3.2.1

The symbol shown in Figure RQ05 represents a ________________. Select one: a. transformer b. incandescent surface-mounted luminaire with pull chain c. incandescent surface-mounted luminaire d. temperature control relay

c. incandescent surface-mounted luminaire Section Reference 3.1.0; Figure 23

Where nonmetallic boxes are used with open wiring or concealed knob-and-tube wiring, the conductors must enter the box through ___ a. listed openings b. rated boxes c. individual holes d. pre-cut holes

c. individual holes

The symbol shown in Figure RQ04 represents a _____________. Select one: a. duplex receptacle outlet split wired b. quadruplex receptacle outlet c. single receptacle outlet d. duplex receptacle outlet

c. single receptacle outlet Section Reference 3..1.0 fig. 23

In a drawing with dimension lines, the values shown inside the lines are ___________. Select one: a. reduced to scale b. for general reference only c. the actual dimensions Section Reference 1.3.0 d. always shown in decimal values

c. the actual dimensions Section Reference 1.3.0

What is the minimum number of 20-ampere small-appliance branch circuits required for a kitchen with 27 linear feet of countertop and ·an island that measures 2 ft by 6 ft? Select one: a. 1 b. 4 c. 3 d. 2

d. 2

Where equipment operating at 1000 volts, nominal, or less to ground and likely to require examination, adjustment, servicing, or maintenance while energized is required by installation instructions or function is located in a crawl space limited access, there shall be an accessible opening not smaller than _____________ in. X _______________ in. Select one: a. 24,24 b. 18,18 c. 18,24 d. 22,30

d. 22,30

The current MasterFormat® section covering communications systems is under ________________. Select one: a. Division 48 b. Division 16 c. Division 37 d. Division 27

d. Division 27

Dashed lines used to represent a branch circuit on a drawing me an that the wiring is to be ____________________. Select one: a. exposed b. concealed in the ceiling or wall c. turned up d. concealed in the floor

d. concealed in the floor

Power-riser diagrams are used to show the ____________. Select one: a. branch circuit layout for power b. branch circuit layout for lighting c. panelboard schedule d. connections between pieces of electrical equipment

d. connections between pieces of electrical equipment

The symbol shown in Figure RQ01 represents a ______________. Select one: a.single receptacle outlet b. triplex receptacle outlet c. duplex receptacle outlet split wired d. duplex receptacle outlet

d. duplex receptacle outlet

A node is a junction point where the current splits when reached. True False

True

The maximum length cord permitted on a built-in dishwasher is _____________ ft. Select one: a. 6.5 b. 5 c. 3 d. 6

a. 6.5

Which overvoltage category rating would apply to measurements taken at a service entrance? Select one: a. CAT IV b. CAT III c. CAT I d. CAT II

a. CAT IV

When a supply circuit is de-energized, the associated circuits________________. Select one: a. may still be energized due to backfeeds b. do not require lockout/tagout c. remain unaffected d. are always de-energized

a. may still be energized due to backfeeds

Certified meters are marked with their category rating on the_____________. Select one: a. meter housing b. back plate of the meter c. meter leads d. battery compartment

a. meter housing

Overcurrent devices shall not be located in the vicinity of easily ignitible material such as in _______________. Select one: a. bathroom b. clothes closets c. kitchen d. garage

b. clothes closets

A single receptacle installed on an individual branch circuit shall have an ampere rating not less than __________ % of the rating of the branch circuit. Select one: a. 80 b. 125 c. 100 d. 50

c. 100

At least one GFCI-protected receptacle shall be located within _______________ ft from the outside edge of each bathroom sink. Select one: a. 2 b. 6 c. 3 d. 1.5

c. 3

In dwelling units, arc-fault circuit-interrupter protection shall not be required for 120-volt, single-phase, 15- and 20-ampere branch circuits supplying outlets or devices installed in_______________. Select one: a. kitchens b. laundry areas c. bathrooms d. closets

c. bathrooms

A meter with applied voltages of 500V or 1,000V is a(n) __________________. Select one: a. ammeter b. continuity tester c. multimeter d. megohmmeter

d. megohmmeter

In order to ensure safety, before measuring low voltages, you should first test for __________. a. current b. higher voltages c. resistance d. vibration

higher voltages

For a one-family dwelling that is at grade level, at least one receptacle outlet readily accessible from grade and not more than _____________ ft above grade level shall be installed at the front and back of the dwelling. Select one: a. 6.5 b. 1 c. 1.5 d. 2

a. 6.5

Outlet boxes or outlet box systems used as the sole support of a ceiling-suspended (paddle) fan shall be listed, shall be marked by their manufacturer as suitable for this purpose, and shall not support ceiling-suspended (paddle) fans that weigh more than ________________ pounds. Select one: a. 70 b. 55 c. 45 d. 35

a. 70

Hanging luminaires located directly above any part of the bathtub shall be installed so that the luminaire is not less than _______ ft above the top of the bathtub rim. Select one: a. 8 b. 6 c. 7 d. 5

a. 8

One cooktop and two ovens are connected to one branch circuit in a kitchen of a one family dwelling. The cooktop has a nameplate rating of 4 kW at 240 volts, while each oven has a nameplate rating of 5.5 kW at 240 volts. The minimum load calculation for this branch circuit is __________________ watts. Select one: a. 9200 b. 8.4 c. 9.2 d. 8400

a. 9200

Which of the following is true regarding analog meters? a. Analog meters rely on a moving-coil meter movement. b. Analog meters provide an autoranging setting c. Analog meters provide a digital readout. d. Analog meters are solid-state instruments.

a. Analog meters rely on a moving-coil meter movement.

What is the lowest acceptable overvoltage category rating for a multimeter that will be used to test small appliances? Select one: a. CAT II b. CAT I c. CAT III d. CAT IV

a. CAT II

A receptacle installed in an area designated for the installation of laundry equipment and where there are no other receptacles can be a:I. 15-ampere single. receptacle.II. 15-ampere duplex receptacle.III. 20-ampere duplex receptacle. Select one: a. II or III b. I or III c. III only d. I, II or III

a. II or III

A branch circuit that supplies only one utilization equipment is known as a(n) ____________ branch circuit. Select one: a. Individual b. Dedicated c. Equipment d. Utilization

a. Individual

In parallel circuits, the voltage drop across any branch is the same as the _____. a. applied voltage b. current c. resistance

a. applied voltage

A device that is plugged directly into an outlet to test the condition of a circuit is a_________________. Select one: a. circuit tester b. proving unit c. phase rotation tester d. continuity tester

a. circuit tester

Which meter can measure current without having to make contact with uninsulated wires? Select one: a. clamp-on ammeter b. ohmmeter c. continuity tester d. voltage tester

a. clamp-on ammeter

What instrument is used to take readings at specified intervals for later review? Select one: a. data logger b. clamp-on ammeter c. multimeter d. voltmeter

a. data logger

IEC and IEEE are collaborating to___________________. a. globalize electronics standards b. build more manufacturing facilities c. grow their membership d. strengthen electrical safety certification programs

a. globalize electronics standards

Switch-controlled receptacles (in lieu of a lighting outlet) are permitted in all but which of the following? Select one: a. hallway b. library c. dining room d. bedroom

a. hallway

In nonmetallic-sheathed cable, the equipment grounding conductor for 15-, 20-, and30- ampere branch circuits ________________ . Select one: a. must be the same size as the insulated circuit conductors b. may be two sizes smaller than the insulated circuit conductors c. may be one size smaller than the insulated circuit conductors d. is required only with aluminum or copper-clad aluminum cable

a. must be the same size as the insulated circuit conductors

In a dwelling unit, a hallway measuring 21½ ft in length requires a minimum of ________________ receptacle outlet(s). Select one: a. one b. three c. None d. two

a. one

A duplex receptacle rated 20 amperes can be installed on a_______________branch circuit. Select one: a. 15- or 20- ampere b. 20-ampere c. 15-ampere d. 20-or 25-ampere

b. 20-ampere

What is the minimum number of 15-ampere branch circuits required for a one-family dwelling with an area of 1,800 ft2? The voltage at this dwelling will be 240/120 volts, single-phase. Select one: a. 5 b. 3 c. 6 d. 4

b. 3

Floor-mounted Type FCC cable, cable connectors, and insulating ends shall be covered with carpet squares no larger than __ in. square. a. 42 b. 39.37 c. 35.5 d. 36

b. 39.37

A switch rated for 20 amps will be installed in a device box beside a switch rated for 15 amps. Two 12 AWG THHN copper conductors will be terminated onto the switch rated 20 amps and two 14 AWG THHN copper conductors will be terminated onto the switch rated 15 amps. The required volume allowance for the switch rate 20 amps is ___ in.3 and the required volume allowance for the switch rate 15 amps is ___ in.3 a. 4 : 6 b. 4.5 : 4 c. 4 : 5 d. 4 : 4.5

b. 4.5 : 4

A single receptacle rated 50 amperes can be installed on a ______________-ampere individual branch circuit. Select one: a. 30 b. 40 or 50 c. 50 d. 40

b. 40 or 50

Receptacles located more than ______________ft above the floor are not counted in the required number of receptacles along the wall. Select one: a. 6 b. 5 -1/2 c. 1.5 d. 3

b. 5 -1/2

Where the NEC specifies that one equipment shall be "within sight of" another equipment, the specified equipment shall be visible and not more than _____________ ft distant from the other. Select one: a. 30 b. 50 c. 15 d. 25

b. 50

A 20-amp, 125-volt receptacle installed within ____________ ft from the top inside edge of the bowl of the sink shall have ground-fault circuit-interrupter protection for personnel. Select one: a. 3 b. 6 c. 4 d. 2

b. 6

At least________________ in. of free conductor, measured from the point in the box where it emerges from its raceway or cable sheath, shall be left at each outlet,junction, and switch point for splices or the connection of luminaires or devices. Select one: a. 3 b. 6 c. 4 d. 8

b. 6

Receptacles are permitted under an overhanging countertop, but are not counted as required countertop receptacles, where the countertop extends more than _____________ in. beyond its support base. Select one: a. 10 b. 6 c. 12 d. 8

b. 6

The minimum bending radius for metal-dad (corrugated sheath) cable is __ times the external diameter of the metallic sheath. a. 5 b. 7 c. 12 d. 6

b. 7

A permanently connected dishwasher has a nameplate rating of 780 volt-amperes. The circuit breaker is permitted to serve as the disconnecting means where it is: I. within sight from the dishwasher.II. lockable in accordance with 110.25.III. capable of being locked in the closed position. Select one: a. I, II, or III b. I or II only c. I only d. I or III only

b. I or II only

For a one-family dwelling, at least one receptacle outlet shall be installed in each:I. basement. II. attached garage. III. detached garage. Select one: a. I and II only b. I, II and III c. I only d. II and III only

b. I, II and III

Which of the following is true of digital meters? Select one: a. none of these b. They are easier to read than analog meters. c. They are faster than analog meters. d. they are easier to connect to the circuit than analog meters.

b. They are easier to read than analog meters.

Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them useful for performing_________________. Select one: a. polarity tests b. continuity tests c. voltage tests d. frequency tests

b. continuity tests

Supplementary overcurrent devices shall not be required to be ____________ . Select one: a. rainproof b. readily accessible c. reconditioned d. Isolated

b. readily accessible

A one-family dwelling has a front entrance on the east side of the house, an attached garage with two 10 ft wide doors on the south side, and a back entrance door on the west side of the house. This one-family dwelling requires ____________lighting outlet(s) for these outdoor entrances. Select one: a. 3 b. 4 c. 2 d. 1

c. 2

A recessed incandescent luminaire with a completely enclosed light source installed in the ceiling of a clothes closet must have a minimum clearance of _____________ in. between the luminaire and the nearest point of the closet storage space. Select one: a. 12 b. 18 c. 6 d. 24

c. 6

The highest level of protection is provided by instruments rated as _____________. Select one: a.CAT III b. CAT II c. CAT IV d. CAT I

c. CAT IV

A branch circuit that supplies two or more receptacles or outlets for lighting and appliances is a(n) ________________ branch circuit. Select one: a. Multipurpose b. Power c. General Purpose d. Multi-wire

c. General Purpose

A branch circuit providing power to a bathroom receptacle may also provide power to:I. two other receptacles, two luminaires, and an exhaust fan in the same bathroom.II. two other receptacles in the same bathroom and receptacles in two additional bathrooms.III. one luminaire in the same bathroom and one luminaire in an.other bathroom. Select one: a. I, II, or III b. I only c. I or II only d. II or III only

c. I or II only

A nongrounding-type receptacle has been replaced with a new grounding-type duplex receptacle. The 15-ampere circuit breaker feeding the circuit has been replaced with a 15- ampere ground-fault circuit breaker. The new receptacle or its cover plate must be marked____________________ and be visible after installation. I. "Two-Wire Circuit" II. "No Equipment Ground" III. "GFCI Protected" Select one: a. III only b. I, II and III c. II and III Only d. I and III only

c. II and III Only

In dwelling units, a duplex receptacle fed from a multiwire branch circuit must have _____________ as a means of disconnect. I. two single-pole circuit breakers without identified handle ties II. one double-pole circuit breaker III. two single-pole circuit breakers with identified handle ties Select one: a. II only b. I only c. II or III only d. O or II only

c. II or III only

A meter that can be used to measure solar energy in watts per square meter is a(n)_____________. Select one: a. thermometer b. wattmeter c. irradiance meter d. ohmmeter

c. irradiance meter

Where exposed to the weather, raceways shall be: a. watertight and arranged to drain. b. rainproof and arranged to drain. c. listed or approved for use in wet locations and arranged to drain. d. rainproof and arranged to drain.

c. listed or approved for use in wet locations and arranged to drain.

Clamp-on ammeters operate by _____________. a. measuring the high resistance end of a power transformer b. using a resistive shunt c. sensing the strength of the electromagnetic field around the wire d. using d'Arsonval meter movement

c. sensing the strength of the electromagnetic field around the wire

Clamp-on ammeters operate by _____________. Select one: a. measuring the high resistance end of a power transformer b. using a resistive shunt c. sensing the strength of the electromagnetic field around the wire d. using d'Arsonval meter movement

c. sensing the strength of the electromagnetic field around the wire

The definition of a branch circuit is ________________. Select one: a. the circuit conductors between the final overload device protecting the circuit and the outlet(s) b. the circuit conductors prior to the final overcurrent device protecting the circuit c. the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s) d. the circuit conductors between the service and the subpanel

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

In a combination circuit, to identify series and parallel elements, you should _____. Select one: a. calculate the total current b. trace the voltage path(s) c. trace the current path(s) d. calculate the total resistance

c. trace the current path(s)

The conductivity of aluminum is________________________. a. double that of copper b.the same as copper c. two-thirds that of copper d.one-and-a-half times greater than copper

c. two-thirds that of copper

Luminaires shall be constructed or installed so that adjacent combustible material will not be subjected to temperatures in excess of _____________°Fahrenheit. Select one: a. 154 b. 124 c. 174 d. 194

d. 194

Tap conductors for household cooking equipment supplied from a SO-ampere branch circuit shall have an ampacity of not less than __________________ amperes. Select one: a. 30 b. 40 c. 50 d. 20

d. 20

The rating of a single cord- and plug-connected utilization equipment shall not exceed _____________ % of the branch-circuit ampere rating. Select one: a. 60 b. 75 c. 20 d. 80

d. 80

What is the lowest acceptable overvoltage category rating for a voltage tester that will be used to test electronic equipment and circuitry? Select one: a. CAT II b. CAT IV c. CAT III d. CAT I

d. CAT I

Grounding-type receptacles shall be installed only on circuits of the _________ for which they are rated, except as provided _in Tables 210.21(B)(2) and (B)(3). I. voltage class II. Wattage III. Current Select one: a. I and II only b. I, II and III c. I only d. I and III only

d. I and III only

A refrigerator receptacle can be fed from a:I. 15-ampere individual branch circuit.II. 20-ampere individual branch circuit.III. 20-ampere small appliance branch circuit. Select one: a. III only b. II or III c. II only d. I, II or III

d. I, II or III

The metric ruler is typically divided into _____. a. inches and half inches b. millimeters and decimeters c. eighth inches and sixteenth inches d. centimeters and millimeters

d. centimeters and millimeters

Before using a voltage tester, check to make sure it is functioning correctly by_________________. a. touching the leads together b. checking it with a multimeter c. grounding the leads d. connecting it to a known energized source

d. connecting it to a known energized source

A voltmeter is used to test ____________. a. power b. voltage ranges c. sine waves d. exact voltages

d. exact voltages

A motor rotation tester _______________. Select one: a. works only in a clockwise rotation b. gets connected to the motor supply conductors c. tests an energized motor d. is used to identify the motor legs

d. is used to identify the motor legs

For dwelling units, attached garages, and detached garages with electric power, at least one lighting outlet controlled by a _______________ shall be installed to provide illumination on the exterior side of outdoor entrances or exits with grade-level access. Select one: a. 12 AWG Wire b. 14 AWG Wire c.16 AWG Wire d. listed wall mounted control device

d. listed wall mounted control device

The continuity of a grounded conductor shall not be dependent on the device in __________________. Select one: a. individual branch circuits b. branch circuits c. branch circuits not having a grounded conductor d. multi wire branch circuits

d. multi wire branch circuits

Which of the following devices measures ohms, amps, and volts? Select one: a. megohmmeter b. phase tester c. ammeter d. multimeter

d. multimeter

A series circuit has _____ path(s) for current flow. a. two b. three c. unlimited d. one

d. one

A device that can be used as a safe known energized source in a live-dead-live test is known as a___________________. Select one: a. circuit tester b. continuity tester c. data logger d. proving unit

d. proving unit

Informative Annexes A - J contain information ______________________. a. detailing required installation procedures b. focused on specific electrical applications c. a variety of codes and unrelated topics d. related to non-mandatory topics

d. related to non-mandatory topics

Which of the following pulls requires the length of the box to be no less than eight times the trade diameter of the largest raceway? a. Angle pull b. side pull c. U pull d. straight pull

d. straight pull

If a three-phase motor will not start, which instrument can be used to verify that there is power available? Select one: a. ohmmeter b. megger c. clamp-on ammeter d. voltage tester

d. voltage tester

This formula is used to calculate voltage drop across each resistor using Ohm's law.

False

Which wire size sequence goes from smallest to largest? a. 18 AWG, 12 AWG, 1/0, 3/0 b. 12 AWG, 18 AWG, 1/0, 3/0 c. 18 AWG, 12 AWG, 3/0, 1/0 d. 1/0, 3/0, 12 AWG, 18 AWG

c.18 AWG, 12 AWG, 1/0, 3/0

The International Electrotechnical Commission (IEC) developed a safety standard for overvoltage installation categories of CAT I, CAT II, CAT III, and CAT IV for ___________. Select one: a. test equipment b. electrical equipmement c. signaling circuits d. wiring

a. test equipment

What is the minimum length on a straight pull for a pull box with two 1" conduits and one 4" conduit on one wall and two 1" conduits and one 4" conduit entering the opposite wall? (Assume the conductor size is No. 4 AWG or larger.) a. 32" b. 56" c. 48" d. 64"

a. 32"

Interior stairway lighting outlets shall be controlled by a wall switch at each floor level, where the difference between levels is ______________ steps or more. Select one: a. 6 b. 10 c. 8 d. 12

a. 6

All switches shall be installed such that the center of the grip of the operating handle of the switch, when in its highest position, is not more than _________ above the floor or working platform. Select one: a. 6'7" b. 6ft c. 24in d. 48in

a. 6'7"

Which of the following is not a standard classification for a branch circuit supplying several loads? Select one: a. 30 amperes b. 25 amperes c. 50 amperes d. 20 amperes

b. 25 amperes

In a number such as 52.25, any numbers shown to the right of the decimal point represent _____. a. that part of the number that is greater than 1 b. that part of the number that is less than 1 c. an improper fraction d. an improper number

b. that part of the number that is less than 1

Receptacle outlets in or on floors shall not be counted as part of the required number of receptacle outlets unless located within ______________in. of the wall. Select one: a. 24 b. 36 c. 18 d. 12

c. 18

An ammeter is used to measure ____________.

current

Approved drainage openings not smaller than ___ and not larger than ___ in diameter shall be permitted to be installed in the field in boxes or conduit bodies listed for use in damp or wet locations. a. 1/4 in : 3/4 in b. 1/4 in : 1/2 in c. 1/8 in : 1/2 in d. 1/8 in : 1/4 in

d. 1/8 in : 1/4 in

The minimum size THHN copper neutral conductor permitted for an 8¾ kW,240- volt, 3-wire household electric range is __________ . Select one: a. 12 AWG b. 6 AWG c. 8 AWG d. 10 AWG

d. 10 AWG

Nonmetallic-sheathed cable must be secured within _______ in. from a two-gang plastic device box mounted in a wall. a. 24 b. 14 c. 18 d. 12

d. 12

duplex receptacle rated 15 amperes can be installed on a __________ampere general purpose branch circuit. Select one: a. 30 b. 30 c. 20 d. 15 or 20

d. 15 or 20

A 15-ampere'rated duplex receptacle may be installed on a _________ branch circuit. Select one: a. 20-ampere b. 15-, 20-, or 25-ampere c. 15-ampere d. 15- or 20-ampere

d. 15- or 20-ampere

A luminaire that weighs more than _________ pounds shall be supported independently of the outlet box, unless the outlet box is listed and marked on the interior of the box to indicate the maximum weight the box shall· be permitted to support. Select one: a. 45 b. 35 c. 55 d. 50

d. 50

Appliance receptacle outlets installed for specific appliances, such as laundry equipment, shall be placed within _____________ ft of the intended location of the appliance. Select one: a. 4 b. 3 c. 2 d. 6

d. 6

Solid wire is available in size No.__________________. a. 4 AWG b. 2 AWG c. 6 AWG d. 8 AWG

d. 8 AWG


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