ECONMT - NEC 2014 Study Card Quiz

100 feet of PVC doesn't need an expansion fitting if the change is less than _____ of an inch

.25

What is the unbalanced current flowing in the neutral of this three phase, four wire, 208/120 V system.

10.15 amp

What is the unbalanced current flowing in the neutral of this three phase, four wire, 208/120 V system. A phase equals 60 amperes. b phase equals 49 amperes. c phase equals 51 amperes. .

10.15 amperes

What is the voltage drop in a number eight AWG copper branch circuit with a load of 220/4655 V amp at 220 V and a link one way of 320 feet

10.54 volts

What is the amperage for a circuit having a resistance of 42 ohms and a voltage of 460 volts?

10.95 amps

Rod type grounding electrode's of stainless steel and copper zinc coated steel shall be at

10/16 inch in diameter

Fixed electrical space heating load shall be calculated at _____ percent of the total connected load

100

When using BX armored cable it shall be secured within _____ of every Junction cabinet or outlet box

12 inch

Class one our current carrying when they carry continuously more than _____ percent of their amps

10

Conductors connected by means of wire binding screws or studs Shelby what size or smaller

10

When installing receptacles in a dwelling unit for hallways, at least one receptacle outlet shall be installed at a minimum of

10 feet or more in length

Loads that are continuous shall have their full load current increased by - percent and this value added to not continue it loads at -- percent

10 inches and 10%

Service conductors are considered outside the building when installed in a conduit at in case with at least __inches of concrete or brick

2 inches

To operate a light fixture from five locations how many three-way switches are required

2 switches

Snap switches rated _____ amp or less directly connected to aluminum conductors shall be listed and marked for CO/ALR or

20 amp

A three HP one pump motor it has a name plate full load amps rating of 16.2 at 240 V. What is the minimum size of the branch circuit permitted to supply this motor

21.25 amp

A two gang metal box containing nonmetallic cable clamps along with the switch and receptacle is installed in the kitchen of the dwelling unit. The switch is connected to a piece of number 14 AWG from a 15 amp circuit and receptacle is connected to a piece of number 12 AWG on a 20 amp circuit. The wiring method is nonmetallic sheath cable with the ground. Then minimum cubic inch capacity box provided by code is

21.4 cubic inches

A two gang metal box containing internal nonmetallic cable clamps along with a switch and receptacle is installed in the kitchen of a dwelling unit. The switch is connected to a piece of number 14 AWG from a 15 amp circuit and the receptacle is connected to a number 12 AWG on a 20 amp circuit. The wiring method is nonmetallic sheathed cable with a ground. The minimum cubic inch capacity box permitted by code

21.5 cubic inches

What is the maximum size time delay fuse is permitted for a number one AWG copper THWN motor feeder short circuit and ground fault protection for the following five 480 V three-phase scroll page induction motor marked code F. 1 10 HP, two 15 hp, two 20 hp

125 amp

The minimum size feeder and overcurrent protection to supply five pieces of x-ray equipment with a momentary rating of 125 A each in a healthcare facility is

131 amps

What is the maximum distance between supports for 1.5 rigid feet

14

What is the minimum amp permitted for the feeder to supply the following group of 230 V single phase squirrel cage and duction motors. 10 HP, 7.5 HP 5 HP and one 2 hp

143 amp

A bank branch has 3755 ft.² of floor area, 120 V receptacles and 40 KW up electric heat. What is the minimum amp of the service conductors at 1:20/208 V three-phase

171.13 amp

A reduction in clearance above only the overhanging portion of the roof to not less than ___ inches shall be permitted if two methods are met

18

Hey floor receptacle is required if located within ___ feet of the wall

18

overhead service conductors crossing public streets, Allie's, roads, and parking areas subject to traffic still have a clearance of ___ feet from final grade

18

Circuits exceeding 277 V, nominal, to ground and not exceeding 600 V between conductors shall be permitted to supply the auxiliary equipment of electric discharge lamps mounted in permanently installed luminaires where the luminaires are mounted not less than a height of ___ on other structures such as tunnels

18 feet

In a conduit seal class one, division one location, the conduit seals shall be installed within _____ from the enclosure

18 inches

Tap conductors for recessed luminaire shall be in suitable raceway or type AC Or MC cable of at least _____ but not more than _____ in length

18 inches and 6 feet

If a building is provided with two sets of service drop conductors from the utility pole, and one service drop is 120/240 volts for lightening and receptacle loads, and the other service is 480 volts to supply motor loads. How many disconnecting means are permitted for this building?

2 disconnects

What is the minimum wall space for receptacle outlets to be installed in a dwelling unit

2 feet

When working in a motor fuel dispensing facility, the underground wiring of rigid nonmetallic conduit shall be permitted we are buried under not less than _____ of cover

2 feet

Using an eight wire THWN AWG running 100 feet with a voltage drop of 4 V on a three-phase system the app allowed in that wire is

29.6

In alternating current, one voltage is given as 220 V, the maximum value of the voltage in a cycle is ____ volts

293.9 volts

A continuous load is where the current in amps can operate for a period of time of - hours or more

3

Any switchboard which is not fully enclosed requires a space of ____ feet or more between it and any combustible ceiling

3 feet

Horizontal installations of nonmetallic wire ways Xiao be supported at distances not exceeding _____ feet and at each end or joint unless listed for other support intervals

3 feet

Service conductors shall have a clearance of not less than __ feet from windows that are designed to be opened, door porches, stairs, balconies, or similar locations

3 feet

What is the amp rating for eight number 10 THH and copper conductors all current carrying routed through an ambient temperature of 120°F

23

A continuous duty three HP 208 V single phase motor with a name plate current rating of 18.7 A and a service factor of 1.15 is protected by a separate overload device. The overload should trip at no more than

23.38 amp

A recreational Vic Park has 25 sites. Each site is equipped with a 20 amp and a 30 amp receptacle. The service will also serve a service building on the premises that will have a computed load of 87 amp. What is the minimum feeder amp for the service conductors supplying this vehicle parked

245 amp

A recreational vehicle Park has 25 sites. Each site is equipped with a 20 amp and a 30 amp receptacle. The service will also serve a service building on the premises that will have a computed load of 87 amp. What is the minimum feeder amp for the service conductors supplying this vehicle park

245 amp

Paddle boards equipped with snap switches rated ___ amps were last shall be protected by OC PD of 200 A or less

30

The maximum size of the overcurrent device permitted to protect a 4.5 KW 240 V electric water heater that is connected with number eight AWG copper Romax NMC cable is

30 amp

When using the optional method of calculation for a single-family dwelling unit the feeder load for four pieces of separately controlled baseboard heat totaling 8KW

3200 v amp

When using the optional method of calculation for a single-family dwelling unit, the feeder load for four pieces of separately controlled baseboard heating totaling 8KW is ____ volts amps

3200 v amps

What is the amp of a 12 THHN conductor when installed in a location that has an ambient temperature of 45°F

34.50a

What is the voltage for a circuit having a resistance of 7ohms and an amperage of 5 amps?

35 volts

Outlet boxes are designed to support ceiling fans that way more than this amount, the required marking shall include the maximum weight to be supported

35lbs

in dwelling units, at least one wall receptacle outlet shall be installed in bathroom is within _____ inches from the outside edge of each basin

36

The calculated receptacle load for a bank which has 4000 ft.² of floor space, but an unknown receptacle load is ____ volts amps

4000 v amps

Receptacle outlets shall be installed so that there is no point on the wall greater than

6 ft

A wall switch to control the lighting outlets in dwelling units shall be provided at each level, where there's a difference between floor levels of

6 steps or more

A nipple shall be permitted to have a __ percent Phil area

60%

Where the number of current carrying conductors in a raceway equals 10, the allowable amps shall be reduced to ___percent of the values listed in table 310.15

60%

A 120 x 208 WYE service has a calculated load of 350 A. The grounded conductor is neutral and is considered to be current carrying as 52% of the calculated load is nonlinear. The service will be installed over head and rigid metal raceway. What is the smallest copper THHN conductor that maybe used

600

A new mobile home park is being constructed. It will have 28 sites. Calculate the minimum size in amps permitted for the Park service

448 amp

A new mobile home park is constructed. It will have 28 sites. Calculate the minimum size and amps permitted for the Park service

448 amp

A metal box 70 5X 50 X 90 mm with cable clamps will contain a receptacle outlet fed with number 14/2 NMC with ground. How many insulated number 14 AWG conductors are permitted in this box

5

And oil cut out shall be located no higher than how many feet from the floor

5

In class one, division one, but thickness of the sealing compound shall in no case be less than _____ thick

5/8 of an inch

The minimum illumination permitted by code that service equipment panelboards Exc. operating at less than 600 V is

500 foot candles

An electrical substation operating at over 600 V is constructed at the rear of the building. The fence in closing this equipment must be a minimum of ___ feet high

7

What is the minimum distance from the floor that open wiring on insulators could be

7

What is the volt-ampere capacity of a 30 ampere 240 volt single phase branch circuit?

7200 volt-amperes

Which of the following light fixtures would not be permitted in a clothes closet

A porcelain pull chain

A two wire receptacle must be replaced in the bathroom of a dwelling unit. The code requires that this receptacle be _____. The receptacle box does not contain an equipment grounding conductor

A ground fault circuit interrupter protected receptacle

A three gang nonmetallic box contains the following. Two single pole switches connected to my number 14 AWG can doctors from a 15 amp circuit, and one duplex receptacle connected to number 12 AWG connectors from a 20 amp circuit. Which of the following is required by code when computing cubit inch capacity of the box

Each switch is calculated at 4 in.³

A portable outdoor electric sign that is readily accessible she'll have a ground fault protection for personnel. The protection Shall be

Factory installed as part of the plug or cord

In a dwelling unit garage a switch controlled receptacle with the fluorescent luminaire plugged into it maybe use as the required lighting outlet

Falae

A branch circuit supplied by direct current shall have the positive polarity red and the negative polarity black for only conductors six AWG or smaller

False

A conductor, no part of which leaves a box shall be required to be counted as a conductor use toward the box fill

False

A garage door for a vehicle in the garage shall be considered an outdoor entrance or exit

False

A lighting outlet shall not be permitted at each outside door that is classified as an entrance or exit in dwelling units

False

A maximum of 220 amp, 1500 VA small appliance circuits shall supply receptacle outlets and dwelling units that are located in the kitchen, pantry, breakfast room, and dining room

False

A minimum working space of 36 inches with shall be required in front of electrical equipment operating at 600 V or less

False

A negatively charged particle will tend to attract other negatively charged particles.

False

A receptacle or switch that is mounted on a strap or yoke is counted as one conductor in determining the feel of the box.

False

AWOL switched receptacle outlet cannot be used in Lieu of a wall switched lighting outlet in habitual rooms other than kitchens and bathrooms and dwelling units

False

An electric current passing through a conductor will produce heat only if the rated capacity of the conductor is exceeded.

False

Any panel board that has less than three phase shall have a Delta breaker

False

Arrangement of DC buses shall be field marked as to polarity, amps, and nominal voltage.

False

At least one lighting outlet shall be provided in the bathroom and it does not have to be wall switched if located in dwelling units

False

Boxes that contain future studs and hickeys she'll have three conductors added in determining the fill of the box

False

Condition one to table 1 10-30 4A is where they expose life parts on the equipment with the other side directly in front having grounded parts such as concrete, break, or tile walls

False

Condition to to table 110 Dash 20 6A is where the electrical equipment is installed in or on one wall with the wall on the other side having electrical equipment mounted or set on it

False

Conductors listed as suitable for dry locations shall be permitted and damp or wet locations

False

Conductors passing through the box and broken and not pulled into a loop or splice together shall be counted as two each and determining the fill of the box

False

GFCI protection shall be installed for only 125 V outlets that supply dishwashers installed in a dwelling unit location

False

If a circuit is open, it will allow the flow of electricity.

False

Illumination shall not be required to be provided to illuminate the high-voltage equipment area for safe working

False

In the bathtub and shower area the zone is 3 feet horizontally and 7 feet vertible for certain equipment

False

Isolated equipment grounding conductor's shall not be permitted to pass through the paddleboard without being connected to the paddleboard's equipment grounding terminal bar

False

Ladder horror ventilated trough trays May be filled with control or signaling cables were both up to 60% of the cross-sectional area of their trays up to 6 inches deep

False

Lighting fixtures shall have an illumination of at least 7 1/2 feet to give personal sufficient room to stand in front of electrical equipment

False

Machine screws for mounting of a receptacle can't be 24 threads per inch

False

Overhead service conductors crossing property where people have access must have a clearance of at least 12 feet from final grade

False

A metal box 75 x 50 x 90 MM with cable clamps will contain a receptacle outlet fed with number 14/2 NMC with grandma. How many insulated number 14 AWG conductors are permitted in this box

Five

In class one, division one locations, threaded joints shall be made up with at least _____ threads fully engaged

Five

A branch circuit that's applies to her more receptacles are outlets for lighting and miscellaneous appliances in other than the kitchen and laundry is considered to be a

General purpose circuit

And insulated ____ conductor of 6AWG or smaller shall be a continuous white or gray outer finish or by three continuous white or gray stripes on other than green insulation along its entire length

Grounded

Mandatory rules of the NEC are characterized by the following use of the word shower. Explanatory materials are in the form of

Informational notes

A healthcare facility which is used on a 24 hour basis for housing for or more persons who are in capable of self preservation because of age, physical limitation due to accidents or illness, or mental limitations would be defined as a

Limited care facility

A healthcare facility which is used on a 24 hour basis for housing for or more persons who are in capable of self preservation because of age, physical limitations due to accident or illness, or mental limitations would be defined as a

Limited care facility

When current flows through a conductor what is created around the wire

Magnetic field

This surrounds a conductor when a current flows through it

Magnetic tield

What is the adjustment factor that must be applied to four pieces of 12 x 2 MC cable used to supply 240 V single phase loads bundled together throughout their 50 foot home run

No adjustment

The minimum illumination permitted by code about service equipment, paddle boards, etc. Operating at less than 600 V is

No minimum illumination

The minimum illumination permitted by code about service equipment, pannelboarda, etc. operating at less than 600 V is

No minimum illumination

A _____ is defined as a circuit, other than field wiring, in which any art or thermal affect produced under intended operating conditions of the equipment is not capable underspecified test conditions of igniting the flammable gas, vapor or dust air mixture

Non-incidive circuit

A coaxial cable for a community antenna television is installed in a ditch with a 120 V type UF cable to the building. The code requires at these two cables have a minimum separation of

None

A vertical run of 4 inch rigid conduit isinstalled to a height of 250 feet. The conduit contains four pieces of 500 Kcmil THHN and copper conductor. How many conductor supports are required

None

What size THWN copper conductors and OC PD are required for an individual branch circuit with a six amp noncontinuous load and 10 amp continuous mode based upon an ambient temperature of 125°F

Number 8. 50 amps

A feeder circuit for a 400 amp sub panel is installed in nonmetallic raceway using parallel 3/0 AWG copper conductors as permitted by section are you 110.1 0H. This arrangement would require _____ copper equipment grounding conductor's

Number three AWG copper

A 21 foot long hallway in a dwelling unit requires how many receptacles

One

A soul proprietor must provide workers compensation when he has what minimum number of employees

One

At least ___ GFCI protected receptacle outlet shall be installed in an unfinished basement

One

Raceway cables or boxes shall be installed and supported so that the raceway cables were boxes is not less than _____ measured from the lower surface of the roof decking

One and a half inches

When supporting BX parallel to exposed locations under metal corrugated sheet metal roof decking, how close to the decking can it be installed

One and a half inches

In general class two and class three circuit conductors shall not be secured to

Raceways

Article 210.3

Rating

Article 110

Requirements for Electrical Installations

Which of the following wiring methods may be installed in notches cut into wood framing members without being protected by a steel plate 1/16 inch thick

Rigid nonmetallic conduit

Nonmetallic sheathed cable when used with metal boxes Shall be

Secured to the box

In general rigid metal conduit shall be _____ feet on each outlet box junction box device box cabinet conduit body or other conduit termination

Securely fastened with 3 feet

An outlet install for charging electric vehicles shall be supplied by

Separate branch unit

The conductors from the Service point to the service disconnecting means would be called the

Service conductors

Single conductor portable supply cable sets two portable stage switch boards shall be permitted to have to grounded and grounding conductors identified by marking at least the first _____ inches from both ends with appropriate colored marking

Six

A 24 inch wide by 5 foot long island countertop shall have receptacles installed

So that at least one is provided

A 24 inch wide by 5 foot long island countertop she'll have receptacles installed

So that at least one is provided

Appliance outlets installed in dwelling units for specific appliances shall be located within _____ feet of the intended location of the appliance

Six

A bathroom is an area including a basin in one or more of the following

Any of these

Habitual rooms are such rooms in the dwelling units as

Bedroom, living room, dining room

A combination of the bus bar, the BuSpar support, and the structural suspended ceiling grid system is called

Busbar rate

Article 100

Definitions

A motor disconnecting means shall be within sight from the

Controller and disconnect all underground conductors into it

A feeder is to be installed in a healthcare facility which has a large 120/208 V WYE service. The service equipment main has ground fault protection installed. Which of the following best describes code requirements for this new feeder

The feeder must have fully selected ground fault protection

If two or more persons who have furnish materials or services claim a lien, which lien will have prioriry

The first lien filed

The flow of an electric current is

The flow of electrons from one Adam to another through a conductor

A bathroom is an area including a basin with a toilet, tub, urinal, bid it, or shower

True

A conduit system is any run over 24 inches long in length

True

A lighting outlet in dwelling units shall be permitted to be controlled by a pole chain or wall switch when installed in attics

True

A minimum 100 amp service disconnecting means shall be installed for a single-family dwelling

True

A neutral conductor of a four wire, three phase WYE system shall be considered current carrying one of carries a major portion of the load involving nonlinear related loads

True

Boxes supporting luminaires in a ceiling shall be able to support a minimum of 50 pounds

True

Boxes with one or more cable clamps that are installed to support cables in the box shall have one conductor added in determining the fill of the box

True

Cable trays can be used for the installation of a number of cables that are installed in a single run from one location to another

True

Conductors routed through an ambient temperature greater than 87°F shall be adjusted per correction factor is based upon the surrounding temperatures

True

Conductors with higher temperature readings, provided the amps of such conductors is determined based on the 60°C amp of the conductor size used

True

Device boxes are used to mount switches to control lighting and other electrical loads

True

Does a 20 amp 120 V laundry receptacle required to be tamper resistant type

True

Electrical installations installed outdoors containing expose live parts shall be required to be accessible to qualified personnel only

True

Equipment grounding conductor is passing through or spliced together in the box shall be counted as one in determining the fill of the box

True

Junction boxes housing conductors for AWG and larger that are pulled through raceways shall be sized based upon a straight pull or an angle Pull

True

Listed tamper-resistant receptacles shall be provided where replacements are made at receptacle outlets that are required to be tamper-resistant elsewhere in the code

True

Non-grounded receptacles shall be connected to branch circuits without an EDC

True

One lighting outlet shall be permitted to be installed in the garage to provide lighting for parking vehicles in dwelling units with electric power

True

The arrangement of Busbars and conductors Shall be such as to avoid overheating due to inductive affects

True

Type XHHW - two insulated conductors shall not be subject to the amp adjustment

True

Well grounding conductors and neutrals in a subpanel must be terminated to separate terminal bars

True

When certain conditions apply, taps from a 50 amp branch circuit for a range maybe made with 812 AWG conductor with a 20 amp capacity

True

When replacing a receptacle in a dwelling that is supplied by the branch circuit, does that receptacle outlet be replace with a listed outlet branch circuit type AF CI receptacle

True

Receptacles that are an integral part of a lighting fixture, appliance, or cabinet shall not be counted as one of the required receptacle outlets in dwelling units

Truw

How many outdoor receptacles are required at a one family dwelling

Two

How many outside receptacles accessible from grade level shall be installed for a single-family dwelling

Two

A non-metallic sheathed cable supply circuit to a basement gas burner is installed down from the ceiling joist inside a piece of electrical metallic to Bing that is connected to a metal switch box secured to the side of the heater. Which of the following would explain code requirements for this cable/conduit connection

The EMT must be provided with a fitting identified for use on the end

The symbol used to represent phase is

The Greek letter phi

Which of the following best describes the code definition of service point

The connection between the facilities of the serving utility and the premises wiring

A minimum ___ amp, three wire service disconnecting means shall be installed for a single-family dwelling

100

Overhead service conductors crossing residential property or driveways must have a clearance of ___ feet from final grade

12

Overcurrent protection of a single non-motor operated appliance shall not exceed 20 amp if the appliance is rated _____ or less

13.3 amp

The minimum size copper conductor permitted in metal clod cable is number

18 AWG

Are there cables used for service conductors shall maintain a clearance of not less than __ inches from the surface over which they pass

2

A metal box with cable clamps consisting of the following. Two pieces of 12/2 Romax what ground connected to a duplex receptacle and one piece of 14/3 Romax with ground. What is the minimum cubic inch capacity required

24 in.³

The feeder load calculation for the small appliance load in a dwelling unit which has a total of 26 receptacles including the refrigerator outlet in the kitchen and dining room area is

3000 V amp

A three phase 460 V 20 HP motor with a name plate current reading of 25 amp requires a minimum branch circuit rating of

34 amp

Overhead service conductors shall be permitted to pass above roofs were voltages between conductors does not exceed 300 V and are installed at a height of 3 feet, where the roof has a slope of at least ___ inches by ___ inches

4, 12

The calculated load for the service entrance to a dwelling hundred is 185 amp at 1:20/240 V. The minimum size 75°C aluminum service conductors permitted by code is

4/0 AWG aluminum

The aluminum grounding electrode conductor required for an 800 amp service consisting of three sets of 400 KCmil RHW aluminum conductors in parallel is

4/0 aluminum

What article pertains to 30 V or less

411

A mobile home park has 26 mobile homes each with a calculated load of 22,000 V amp. What is the amp of the service conductors required to serve this park. Voltage is 120/240

572

No more than ___ switches or sets of circuit breaker is mounted in a single enclosure, and a group of separate enclosures, or in or on a switchboard or in switchgear, shall be permitted to be installed for each set of service entrance conductors

6

Overhead service conductors shall be permitted to be installed for overhanging roof is provided no more than ___ feet of such conductors does not pass over more than ___ feet of the roof

6, 4

What is the largest inverse time circuit breaker permitted by code to be used first for the branch circuit short-circuit and ground fault protection to protect a 25 HP three phase for 180 V squirrel cage induction motor code letter F

90 amp

Where cables such as Romax or BX are stapled parallel to studs or Joyce the cable Shelby

At least one and 1/4 inch from the edge of the stud or Joist

Article 210

BRANCH CIRCUITS

A copper grounded conductor shall be permitted to be ____ when used for an underground service conductors utilizing a cable assembly or installed in a raceway

Bare

Article 210.6

Branch-Circuit Voltage Limitations

Each overhead service conductors shall have overload protection

False

Emergency lighting or power systems shall not be permitted to be installed with a separate service

False

Individual open conductor shall not be installed within 15 feet of grade level or where exposed to physical damage

False

Service conductors operating over 1000 V shall not be required to be provided with short circuit protection device in each on your ground conductor that it supplies

False

Service conductors supplying a building or structure shall be permitted to pass through the interior of another building or structure

False

The service disconnecting means is not required to be located in a readily accessible location for all premises

False

When installing a three phase, for wire, Delta connected service, where the midpoint of one phase winding is grounded, and outer finish marked yellow or identified by other effective means shall be used for the conductor with the higher voltage to ground

False

A building of different voltages shall not be permitted to be supplied with two or more service drops or underground laterals

Falsw

A 1/0 Copper insulated grounding electrode conductor is installed in electrical metallic tubing to provide support for the ground wire. The EMT extends across the ceiling of a large structure from the service entrance equipment disconnecting means to a point where the underground metal water pipe enters the structure. Which of the following best describes code requirements for this EMT raceway

It must be electrically bonded from the service to the water pipe

A duplex wall receptacle is to be installed in the garage of a dwelling unit. The receptacle will be located between our refrigerator and or freezer so that each are plugged into the duplex receptacle. Which of the following best describes code requirements installation of this receptacle

It must have GFCI protection and accessible because it is in a garage

A commercial building has an opening door in the wall on the second floor through which materials are moved into an out of a storage area located on the second floor. And overhead 120 V a branch circuit is to be installed from the second floor area of the building to a pole on which a flood light will be mounted. Which of the following best describes code requirements for the installation of this branch circuit

It must not obstruct entrance to the material handling door and be 3 feet from the door

Outlet boxes shall be installed in wood covered walls so that the box is flush with or

Project from the wall surface

Table 210.2

Specific-Purpose Branch Circuits

A privately owned 112.5 kVA 480 V to 120/208 V transformer is installed outside of the building 95 feet from the point where the secondary can doctors enter the building and terminate in a 400 amp fuse service equipment rated main disconnect. Which of the following best describes code requirements for the secondary conductors

The installation is in compliance with the code

A circuit extension is to be made from an ungrounded circuit in a dwelling unit for a small room addition. The building has an underground metal water pipe supply with metal interior piping. The code allows an extension to be made from existing installation is that do not have an equipment grouping conductor by installing and equipment ground wire from the new grounding type receptacle to

The waterline within 5 feet of where it enters the building

Enclosures that are not over at 100 in.³ in size and which have two conduits supported within 3 feet on either side of the enclosure and the enclosure does not contain devices or support fixtures shall not be required to have the enclosure supported if the conduits are

Threaded entries or identified hubs

How many supports are required on the lighting track made up up to 4 feet sections

Three

Conductive noncurrent carrying parts of electrical equipment are bonded to the ground circuit conductor of the system for which of the following purposes

To facilitate over current devices operation during ground fault

A high voltage fuse shall not exceed three times the Ampacity of the continuous rating of the conductor to be installed

True

Each service disconnecting means shall be permanently marked to identify it as a service disconnect

True

Only one set of service entrance conductors shall be permitted to be supplied by a service drop or service lateral

True

Service drop conductor shall be permitted number 12 hard drawn copper were installed to serve a small load of only one branch circuit, such a small polyphaser power loads

True

Service equipment rating at 1000 V or less shall be marked to identify as being suitable for use as service equipment

True

The disconnecting means means shall disconnect all underground it conductors from the premises wire system simultaneously

True

The minimum point of attachment of the overhead service conductors is 10 feet from finish grade

True

The overcurrent protection device shall be sized high enough to carry the locked rotor current for a service supplying fire pump

True

The service point is the point of connection between the facilities of the serving utility and the premises wiring

True

When installing service entrance conductors in a service at Raceway or service entrance cable, no other conductors shall be installed

True

Where a raceway enters a building or structure from underground distribution system, it shall be sealed

True

The only countertop in a dwelling unit kitchen is a single 22 inch wide countertop to the left of the kitchen sink. How many receptacles are required over this countertop

Two

Article 200.7

Use of Insulation of a White or Gray Color or with Three Continuous White or Gray Stripes

The service head shall be listed for use in a ___

Wet location

Article 200

Wiring Protection: Use and Identification of Grounded Conductors

Art. 90: What chapters supplement or modify Chapters 1 through 4?

[What chapters these chapters supplement or modify?] Ch 5 -- Special Occupancies, Ch 6 -- Special Equipment, Ch 7 -- Special Conditions

Art. 90: What chapters apply generally to all electrical installations?

[What do these chapters apply to]: Ch 1 -- General, Ch 2 -- Wiring & Protection, Ch 3 -- Wiring Methods and Materials, Ch 4 -- Equipment for General Use

Art. 90: Informative Annex A through Informative Annex J are _____?

[What section is Informational only; not mandatory?] Informational only; not mandatory

Art 90: Ch 8, Communications Systems, is not subject to ________ ?

[Which chapter is not subject to the requirements of Chapters 1 through 7?]: the requirements of Chapters 1 through 7;

A circular mil is the area of the circle that is

.001 in diameter

How many volts amps must be allowed for a lighting in a 20 foot show window

4000 v amps

What type of devices shall not be located over steps of a stairway

Breakers

In a class one, Division II, surge arrestor's And tvvs as shall be _____ field type

Mdv

Article 200.9

Means of Identification of Terminals

Where installed in raceways, conductors _ and larger, not specifically permitted or required else where in this code to be solid, shall be stranded

#8 aug

The total resistance of three pieces of 500 KCM I L uncoated copper conductors in parallel for 100 feet is

.00086 ohms

A mil is _______ of an inch

.001

10 #8 THH and feeders are supplying subpanels in an apartment building. What size EMT would you install

1 1/4 emt

When cables, such as nonmetallic sheathed cables or armored cable's, are installed through holes drilled in wood framing members, the hole shall be drilled through the center of the framing member but no less then ___ from the edge

1 1/4 inches

In both exposed and concealed locations, we were cable or raceway type wiring method is installed through board holes in joist, rafters, or wood members, holes shall be bored so that the edge of the whole is not less than _____ inches from the nearest edge of the wood member

1.25

What is the HPE rating of a single phase 200 V motor with a current rating of 11.5 amp

1.5 hp

Recessed luminaire she'll be spaced how many inches from combustible materials

1.5 inch

Conductors of size ___ and larger shall be permitted to be connected in parallel

1/0

Conductors that are run in cellular concrete floor raceway shall not be larger than

1/0

Copper and aluminum conductors shall be permitted to be connected in parallel in sizes number _____ or larger

1/0

What is the minimum size conductor for a 35 KV rating

1/0

Outlet boxes without enclose devices she'll have a minimum internal depth of

1/2 inch

We are nails are used to secure boxes and where the nails pass through the interior of the box, the nail shall be located within ___ of the back or ends of the box

1/4 inch

Where nails are used to secure boxes and where the nails pass-through the interior of the box, the nail shall be located within ___ of the back or ends of the box

1/4 inch

The life safety and critical branches fell be installed and connected to the alternate power source so that all functions supplied by these branches specified here shall be automatically restored to operation within _____ seconds after interruption of the normal source

10

The minimum clearance required between the bottom of the switchboard enclosure and busbars, with their supports, or other obstruction is ___ inches for non-insulated busbars

10

Lighting circuit switches in park trailer is rated at 1:20 volts/125 V she'll have a minimum amp rating of

10 amp

Occupancy of any room or space for assembly purposes by less than _____ persons in a building of other occupancy and incidental to such other occupancy shall be classified as part of the other occupancy and subject to the provisions applicable there to

100

Polices of assembly or structures design for how many persons

100

Where the reading of the overcurrent protection device is _____ amps or less, the terminal rating is 60°C if it is not otherwise marked

100

What size disconnecting means is required for a single five HP 115 V motor on a separate branch circuit

100 amp

The minimum size of the service entrance conductors for a one family dwelling with A net calculated load 10 KVA is

100 amps

A commercial building has a total of 2000 ft.² of stairways and Corridors. What is the lighting load for the space

1000 v amps

Eight pulling unit has a floor area of 1850 ft.² with the following appliances and equipment. 10K W range, 4.5 KW clothes dryer, 1/2 HP 120 V fan motor for the oil heater and air conditioning, 23 amp 240 V air conditioner. Using the standard calculation, what is the service size at 120/240 v

106 amp

A dwelling has 2200 ft.² of habitable space and the following equipment. 6KW range top, two 4K W wall ovens, 4.5 KW water heater, 5KW dryer, 1.2 KW dishwasher, 15 KW of heat supplied from 11 pieces of baseboard heat. Using the optional calculation, what is the minimum amp rating for services for service entrance conductor permitted

110

What is the power in a circuit with a current rating of 40 amperes and a resistance rating of 7ohms?

11200 watts

When I continuous duty motor rated one horse power or more but not marked with service factor or temperature rise is protected by a separate overload device the device shall be selected to trip at no more than _____ percent of the motor nameplate current rating

115

What is the power in a circuit with a voltage rating of 480 V and resistant reading of 20 0HMS

11520

Nonmetallic sheath Cable shall be supported and secured within _____ inches from every outlet box, cabinet, junction box or fitting

12

Hey no case shall the receptacle be located more than ___ below the top of the basin

12 inches

Surface mounted fixtures of the incandescent type or LED shall be mounted in dwelling units from the storage space area at least

12 inches

The minimum burial depth of a 15 amp 120 V circuit consisting of GFCI protected UF cable and run to a lamp post on residential property without passing underneath any driveways is

12 inches

The minimum burial depth of a 15 amp 125 V circuit consisting of a GFCI protected UF cable and run to a lamp post on residential property without passing underneath any driveways is

12 inches

How many amps does a 1.5 HP 115 V single phase motor draw assuming 90% efficiency and 88% power factor

12.29 amp

How many amperes does a 1.5 HP 115 V single phase motor draw assuming 90% efficiency and 88% power factor

12.29 amperes

The secondary protection for a transformer located in an unsupervised location rated at 7:50 kVA with a primary over 600 V and a secondary voltage of 480/277 V is to consist of six disconnecting means group in one location. The total of all device ratings shall not exceed

1200

The secondary protection for a transformer located in an unsupervised location rated at 7:50 kVA with a primary over 600 V at a secondary voltage of 480/277 V is to consist of six disconnecting means group in one location. The total of all device rating shall not exceed

1200 amp

What is the voltage of a series circuit with three resistances of 18 0HMS, 10 0HMS, and 14 0HMS and a total current of 3 Amps

126 volts

An individual office furnishing or groups of interconnected individual office furnishings shell could not contain more then _____ 15 amp, 125 V receptacle outlets

13 receptacle

Determine the allowable amps of 13 number 12 AWG THHN conductors in a raceway when passing through an area where the ambient temperature is 40°C

13.65 amp

The minimum size feeder and overcurrent protection to supply five pieces of x-ray equipment with a momentary rating of 125 amp each in a healthcare facility is _____ amp

131

The minimum size feeder and overcurrent protection to supply five pieces of x-ray equipment with the momentary reading of 125 amp each in a healthcare facility is

131 amp

What is the amp for a cord and plug connected motor rated at 13.6 A

17 amp

Overhead service conductors crossing residential property or driveways shall have a clearance of ___ feet from final grade where the voltage exceeds 300 V to ground stop

15

A duplex receptacle is installed on a 20 amp small appliance circuits. The reading of the receptacle must be

15 or 20 amp

A conduit body contains the following conductors. Three pieces of number 12 AWG THHN running through the fitting. Two pieces of number 12 AWG THHN which enters the fitting and are spliced in the fitting to two pieces of number 12 AWG THHN which leave the fitting. What is the minimum cubic inch capacity that the manufacturer must have marked on the fitting?

15.75 cubic inches

Hey conduit body contains the following conductors. Three pieces of number 12 AWG THHN running through the fitting and two pieces of number 12 AWG THHN which enters the fitting and are spliced in the fitting to two pieces of number 12 AWG THHN which leave the fitting. What is the minimum cubic inch capacity that the manufacturer must have marked on the fitting

15.75 in.³

Boxes that includes devices or utilization equipment supplied by 14 AWG or smaller conductors shall have a depth that is not less than

15/16 inch

What is the ampacity of four 4 x 0 AWG THWN Copper current carrying conductors in a raceway installed through an ambient temperature of 45°C

150.9 amps

The feeder demand load for one 12 KW, one 14 KW and one 17KW range is

18.7 kw

The feeder demand load for one 12 kw, two 14 kw and one 17 kw ranges is

18.7 kw

The feeder demand load for one 12kw two 14 kw and one 16 kw range is

18.7 kw

And outdoor gasoline dispensing device is considered to be a class one, Division II location up to _____ inches above ground level within _____ feet horizontally in all directions from dispenser enclosure

18/20

What is the short circuit current for a three phase 750 kVA transformer with 480 V secondary and a 5% impedance.

18042 amps

Any switchboard or switchgear which is not fully enclosed requires a space of _____ feet or more between it and any combustible ceiling

2

What is the voltage drop for a three phase 3 wire 240 V circuit with a load of five HP located 110 feet from the panel and fed using number eight AWG copper thhn

2.25 v

What size rigid metal conduit is required to contain the following compact aluminum conductors. Four pieces of 1/0THHN, and three pieces of 250 Kcmil thhn

2.5 inches

What is the maximum voltage drop recommended including both feeders and branch circuits for sensitive electronic appointment

2.5%

For unattended self service stations, emergency control shall be more than _____ feet but less than _____ feet from the dispensers

20/100

A metal box with cable clamps is to contain the following conductors and devices. Two pieces of 14 x 2 NMC W/G, one piece of 14 x 3 NMC W/G and one receptacle. what is minimum size box in cubic inches permitted

22 cubic inches

Which of the following half inch flexible metal conduit's or half inch liquid tight flexible metal conduit's are approved equipment grounding conductor's

236 inch pieces of liquid tight flex in a 20 amp circuit

A 30 amp, 120 V, UF cable current is buried from a dwelling unit to a detached outbuilding. The minimum depth of this cable is ___ inches

24

A raceway contains nine number 12 AWG THHN and doctors from a 120/240 V single phase panel board. The conductor supply three 120/240 V three wire circuits made up of phases A and B and a ground conductor. What is the allowable amp for each of the number 12 AWG connectors

24

A raceway contains nine number 12 AWG space THHN Conductors from a 120/240 V single phase panel board. The conductors supply three 120 x 240 V three wire circuits made up of phases a and B and a grounded conductor which is neutral. What is the allowable ampacity for each of the number 12 AWG conductors

24

A motor control circuit transformer having a primary current of 1.5 amp and installed within the motor controller shall have primary overcurrent protection rated at not more than

24 amp

Where connected to a 30 amp branch circuit supplying one receptacle, the receptacle she'll have an amp rating equal to 30 amp and a maximum load of

24 amp

A metal box with cable clamps contains the following. Two pieces of 12 x 2 romez with ground connected to a duplex receptacle and one piece of 14 x 3 Romexwith ground. What is the minimum cubic inch capacity required

24 cubic inches

A tubing nipple __ Inches or less in length

24 in

A metal box with cable clamps contains the following. Two pieces of 12 x 2 Romax with ground connected to a duplex receptacle and one piece of 14 x 3 Romax with ground. What is the minimum cubic inch capacity required

24 in.³

Receptacle outlet shall be installed for each peninsular countertop with a long dimension of ___ inches for grader and a short dimensions of __ inches or greater

24, 12

A recreational vehicle park has 25 sites. Each site is equipped with a 20 amp and a 30 amp receptacle. The service will also serve a service building on the promises that will have a Calculator load of 87 amp. What is the minimum feeder amp for the service conductors supplying this vehicle park. Voltage is 120/240 V

245 anp

When luminaire selections are paired, with a ballast supplying lamps in both, it shall be permissible to use 3/8 of an inch flexible metal conduit in lengths not exceeding _____ feet to interconnect the parrot units

25

A single rod pipe or plate electrode shall be supplemented by an additional electrode that does not have a resistance to ground of _____ OHMS or less. It must be augmented by one additional electrode

25 0HMS

What is the minimum distance required for a service outlet for an AC or heating unit

25 feet

A 208 V three-phase feeder is to supply the follow in the loads. Two 5 HP, three phase induction monitors, one 3 hp, single phase 208 volt induction motor, and lighting in a 150 x 100 square foot office area with 92- 120 volt receptacles. The minimum amp of the feeder is

276 amp

Switch words and switchgear that are not of the totally enclosed type shall have a clearance of ___ feet from the top of the switchboard to the combustible ceiling

3

The conduit or raceways, including their end fittings, shall not rise more than ___ inches above the bottom of the enclosure

3

What size THH and copper conductors and OC PD are required for a circuit with a calculated load of 80 amp load connected to 60°C terminals

3

A flexible cord storage device within a hazardous anesthesizing location shown that subject the cord to bending at a radius of less than _____ inches

3 inches

The conduit or raceways, including their end fittings, shall not rise more than

3"

What is the total resistance in a parallel circuit with three resistances of 20 oh HMS, 18 0HMS, and 5 ohms supplied by a 120 V system

3.27 ohms

A 14 inch wide 100 ampere service equipment paddleboard is installed on the wall in the basement of the building. the code requires that a space of at least ____ The minimum clear distance in the direction of access of electric equipment operating at 480 V shall be no less than _____ it hits if the wall opposite the equipment is a masonry construction inches be maintained about the paddleboard

30 imches

A 14 inch wide 100 amp service equipment panel board is installed on the wall in the basement of a building. The code requires at the space in front of this paddleboard be at least

30 inches

A 14 inch wide 100 ampere service equipment panelboard is installed on the wall in the basement of a building. The code requires that a space of at least ___ inches be maintained about this panel board.

30 inches

Service entrance cables secured to the outside of the dwelling unit are required to be secured within 12 inches of a weather heed and at intervals not exceeding inches

30 inches

Submersible pump installed in a fountain shall operate at _____ volts or less between conductors

300

The calculated lighting load for an 800 square-foot barbershop is

3000

In alternating current, one voltage is given as 220 V, the maximum value of the voltage in a cycle is _____ volts.

311.1 volts

What is the short Circuit current for a single phase 75 kVA transformer with 480 V secondary and a 5% impedence

3125 amps

What is the amperage for a 30 HP 460 V three-phase induction motor with a power factor of 85% and operating efficiency of 85%

38.9

What is the amperage for a 30 HP, 460 V, three phase induction motor with a power factor of 85% and operating efficiency of 85%

38.9 amperes

The following equipment is installed in a deli. One 4.5 water heater, one 9 kw booster hearer, one 4.6 kw frier, one 12 kw grill and three 10 kw pizza ovens each with its own thermostat controls. What is the calculated feeder demand load

39.0 7KW

The following equipment is installed in a small deli. 4.5 KW water heater, one 9KW booster heater, one 4.6 KW fryer, one 23KW Grill, and three 10KW pizza ovens. Each with its own thermostatic controls. What is the calculated feeder demand load

39.07 kw

A single phase 240 V 5200 W water heater is connected to a 208 V system. What is the new connected wattage

3905 watts

A single phase 240 volt 5200 watt water heater is connected to a 208 volt system. What is the new connected wattage?

3905 watts

If - or more current carrying conductors are pull through a raceway or bundled in a cable for a distance greater than - inches, the allowable amp of such conductors shall be reduced

4 or

What size outlet box is required for one 12 x 2 and M cable that terminates on a switch, one 12 x 3 and M cable that terminates on a receptacle in the box has a clamp

4 x 2 space 18 the square box

Nonmetallic sheath cable shall be supported and secured in place at intervals not exceeding

4.5 feet

100 feet of rigid nonmetallic conduit installed above great outdoors where there is a winter temperature of -10°F and a summer temperature of 110°F would have a change in length of

4.87 inches

The voltage drop on a number 10 AWG solid THH and uncoated copper 120 volt circuit 85 feet long and connected to a to HP single phase motor is

4.94 v

The calculated load for the service entrance to a dwelling unit is 185 A at 120/ 240 V. The minimum size 75°C aluminum service conductors permitted by code is

4/0 AWG aluminum

A 1200 amp service is installed into a switchboard by using three sets of 500 KCMil thwn copper conductors in parallel. A 3/0 AWG copper conductor is connected from the neutral to building steel, and a number six AWG copper conductor is connected from the neutral to a 10 foot ground rod. What size copper main bonding jumper is required for the neutral to the enclosure

4/0 AWG copper

The calculated load for the service entrance to a dwelling unit is 185 A at 1:20/240 V. The minimum size 75°C aluminum service conductors permitted by code is

4/0 awg aluminum

And 18 amp hermetic compressor motor is protected by a 30 amp circuit breaker. The circuit breaker is tripping on start up. What is the largest circuit breaker permitted to be installed to start this compressor

40 amp

The maximum overcurrent device permitted to protect a 208 V, 5KW water heater connected with number eight AWG copper is

40 amp

The minimum ampacity of a branch circuit to supply a 12kW electric range is

40 amps

The minimum amps of a branch circuit to supply a 12 KW electric range is

40 amps

Stage cables for stage set lighting shall be protected by means of overcurrent device is set at not more than _____ percent of the amp given in the applicable tables of articles 310 and 400

400

How many amp volts must be allowed for lighting in a 20 foot show window

4000

What is the amperage for a five HP motor supplied by a 120 V source when the efficiency of the motor is 75%

41.5 amps

The minimum clear distance in the direction of access of electrical equipment operating at 480 V shall be no less than ___ inches, if the wall opposite the equipment is of masonry construction

42

The minimum clear distance in the direction of access of electrical equipment operating at 480 V shall be no less than ___ inches if the wall opposite the equipment is of masonry construction.

42 inches

The minimum clear distance in the direction of access of electrical equipment operating at 480 V shall be no less than ___ inches, if the wall opposite the equipment is of masonry construction

42 inches

A 115 V single phase 3 hp motor has a name plate current reading of 36.5 amp. What is the minimum amp permitted by code for the branch circuit conductor

42.5 amp

A three HP 120 V motor with the nameplate FLA of 32.2 amp requires a minimum branch circuit reading of

42.50 amp

A3 HP 120 V motor with a name plate FLA of 32.2 amp requires a minimum branch circuit rating of

42.50 amp

A number 14 AWG THHN copper conductor is used between a motor starter and a remote stop start station. What is the maximum size circuit breaker permitted for the motor short circuit ground fault protection that will also protect the number 14 AWG conductor

45

Fix your wires shall not be smaller than

45 amp

What is the amp of a number 4- -#6 THWN -2 conductor installed 3/4 inches above the roof where the ambient temperature is 90°F

45.6

In class one, division one locations, threaded joints shall be made up with at least _____ threads fully engaged

5

What is the recommended maximum percent voltage drop on both feeders and branch circuits to the farthest outlet

5 percent

What is the recommended maximum percent voltage drop on both feeders and branch circuits to the farthest out but

5%

Receptacle outlets in a dwelling unit shall not serve as one of the required outlets if located over

5'6" from the floor

In aircraft hangers, the area within _____ feet horizontally from aircraft power plants or aircraft fuel tanks will be classified as a class one, Division II or zone to location that shall extend upward from the floor to a level _____ feet above upper surface of wings and of the engine enclosures

5/5

In a class one, division one, the thickness of the sealing compound shall in no case be less than _____

5/8 inch

In an electrical service area at least one 125 V 15 or 20 amp related receptacle outlet shall be installed within ___ of the electrical service equipment

50 feet

There is a 175 foot run of EMT one and a half inches in sizw and it contains 5208 V three circuits. What is the derating percentage

50%

Where the number of current carrying conductors in a raceway equals 10 the allowable amp shall be reduced to _____ percent of the values listed and tables 310.1 5B 16 through 310.1 5B 19

50%

A mobile home park has 26 mobile homes each with a calculated load of 22,000 V amp. What is the amp of the service conductors required to serve this park

572

A mobile home park has 26 mobile homes each with a calculated load of 22,000 V amps. What is the amps of the service conductors required to serve this park

572

A mobile home park has 26 mobile homes each with a calculated load of 22,000 V amp. What is the amp of the service conductors required to serve the park. Voltage is 120/240 V

572 amp

What article is temple wiring

590

A suitable cord connection is made directly to the load of terminals of a bus way plug in device. The maximum length of this court to attention take up device is

6

At least _____ inches of freaking doctor, measured from the point in the box where it emerges from it's a raceway or cable sheath, Shelby left at each outlet, Junction, and switchpoint for spices or a connection of luminaires or devices

6

Insulated conductors of number _____ and smaller when used as grounded conductor's shall have a continuous white or gray insulation

6

Junction boxes in angle pools shall be size by multiplying the largest raceway in the run by the multiplier _

6

Nonmetallic sheath cable she'll have protection within _____ feet of a scuttle hole or attic entrance not accessible by permanent stairs or ladders

6

Receptacles shall be installed so that no point along the Floraline in any wall space is more than _____ feet measured horizontally from an outlet in that space

6

And outlet for laundry equipment is to be installed within at least _____ of the intended location of the appliance

6 feet

Single conductor portable supply cable sets two portable stage switchboards shall be permitted to have the grounded and grounding conductors identified by marking at least the first _____ inches from both ends with appropriate colored marking

6 inches

Surface mounted fixtures of the fluorescent type she'll be mounted in dwelling units from the storage space area at least

6 inches

Surface mounted fluorescent luminaires installed on the wall above the door or on the ceiling with an exposed lamp is required to have _____ of clearance to a storage area in a clothes closet

6 inches

The minimum length of free conductor required by code to be left in boxes for splices is

6 inches

All switches and circuit breaker's use of switches shall be located so that the center of the operating handle is not more than _____ off the floor or platform

6'7"

Service drop conductor shall not be smaller than number __ copper or number __ aluminum

6, 8

Above grade level access is considered ___ feet __ inches or less from grade level

6.5

A 10 kVA Single phase 480/240 V transformer is installed with the secondary connected to 140 V two wire. There is no overcurrent device on the secondary side. What is the minimum size permitted by code for the secondary conductors if the primary is protected with a 30 amp circuit breaker

60 amp

The minimum size of the service entrance conductors for a dwelling unit with 52 wire branch circuits is

60 amperes

A 120 x 208 service has a calculated load of 350 amp. The grounded conductor is considered to be current carrying as 52% of the calculator load is not linear. The service will be installed overhead and rigid metal raceway. What is the smallest copper THHN connector that may be used

600

What is the minimum size THWN aluminum service conductor permitted by code to supply a 400 ampere 120/240 V service to a single-family dwelling

600 kclim

A deli kitchen has two 12 KW electric ranges, three 20 KW pizza ovens and one 17 KW standard often. What is the feeder demand factor percent

65 percent

The minimum amp of the circuit to supply a 12 KW electric furnace with a 1/3 HP motor and a dwelling unit at 2:40 volts would be

67 amp

And electrical substation operating at over 600 V is constructed at the rear of the building. The fence enclosing this equipment must be a minimum of ___ feet high

7 feet

And electrical substantion operating at over 600 V is constructed at the rear of the building. The fence in closing this equipment must be a minimum of

7 feet high

A dwelling unit is heated with 14 pieces of baseboard heat each separately controlled with a total of 18.5 KW. Using the optional calculation for dwelling unit, what is the Calculator load for the heat

7.4 kva

Installing a 4 AWG NM cable, the overcurrent device shall be _____ amps

70

Junction boxes in straight pulls shall be sized by multiplying the largest raceway in the run by the multiplier _

8

A vertical clearance of ___ feet shall be required for overhead service conductors above over roofs. At least a ___ feet clearance shall be maintained at all directions from the edge of the roof

8 and 3

When sizing a pullbox for a straight pull of number 4 x 3 Romax, the length of the box will not be less then ___ times the trade diameter of the raceway

8 times the trade diameter

825 HP induction type cold D2 130 V three-phase motor has an implant current rating of 66.5 amp. The minimum branch circuit amp permitted to supply this motor is

85 amp

An apartment building has 12 dwelling units each with 1640 ft.² of space plus the following equipment. 12 KW range, 5KW water heater, 5KW dryer, 10.5 KW of heat supplied from five pieces of baseboard heat. Using the optional calculation, what is the minimum size service entrance permitted for this building at 1:20/240 V

859

The maximum allowable rung space for a latter cable tray where 1/0 AWG through 4/0 AWG single conductor cables are installed is

9 in

Equipment doors and hinged panels should have at least a ____ opening provided in the workspace 600 V or less

90 degrees

A minimum of three 20 amp, 1500 VA small appliance circuits are required to supply receptacle outlets that are located in the kitchen, pantry, breakfast room, and dining area

A

A tap to connect a cooktop and oven's can be made from a 60 amp branch circuit when the tap conductors are sized from the KW rating of each piece of cooking equipment per note 4 to table to 20.55

A

At least 1 20 amp , 1500 VA laundry circuit is required to supply receptacle outlets in the laundry room

A

Column B to table 220.55 is used for cooking equipment rated from 3.5 KW through 8.7 5KW

A

If supported within 36 inches on two or more sides, enclosures without devices do not require additional supports

A

Nails and screws, where used as a fastening means, shall be attached by using brackets on the outside of the enclosure, or they shall pass through the interior with one fourth of an inch of the back or ends of the enclosure

A

Nonmetallic boxes are not required to be marked with their cubic inch Fill area

A

Table trays containing conductors rated over 600 V shall have spacing of warning notices not to exceed 5 feet

A

And existing wall receptacle in the men's bathroom of an office building must be replaced due to damage. Which of the following best describes code requirements for this replacement

A GFCI protected receptacle must be used as the replacement

Where a branch circuit wiring is modified, replace were extended the branch circuit shall be protected by

A listed combination type AFC I located the origin of the circuit

Solid aluminum conductors eight, 10, and 12 AWG shall be made of _____ electrical grade aluminum alloy conductor material

AA

Oh mechanical elements used to terminate a grounding electrode conductor or bonding jumper to a grounding electrode shall be

Accessible

To ensure against the interruption of power to fire pumps, a __ service shall be permitted to be installed

Additional

A grounding electrode connection is required at a separate building or structure under which of the following conditions

All of the above

Flexible metal conduit shall be permitted for grounding purposes if

All of these

In a dwelling which of the following built in appliances can be cord and plug connected

All of these

Flexible cords and cables shall be connected to devices and two fittings so that tension will not be transmitted to joints or terminals. A method used is _____ to prevent pulling two joints or terminals

All the above

What type of metal equipment that is in direct contact with earth shall be provided with a supplementary corrosion protection

Aluminum

For the purposes of GFCI protection which of the following would be considered a bathroom

An area with a basin and a toilet tub or shower

Before doing an electrical service in Suffolk County and electrician should obtain

An electrical license

Hey service medal raceway enclosure providing a transition from our wiring methods shall have a means for connecting

And equipment grounding conductor to the raceway

Armored cable is required to have a fitting to protect the conductors from abrasion. A _____ shall be provided between the conductors and the armor

Approved insulating bushing

Capped elbow type conduit bodies containing and close conductors smaller than no. 6

Are not permitted by code

How many receptacles are required on one circuit of dwelling?

As many as you want

The service disconnecting means one installed inside of the dwelling must be ___ where the service conductors enter the building.

At the nearest readily accessible location of

The branch circuit supplying the elevator car lights and accessories shall

Be a dedicated branch circuit for each car

The branch circuit supplying the elevator car lights and other accessories shall

Be a dedicated branch circuit for each car

The branch circuits supplying the elevator car lights and accessories shall

Be a dedicated branch circuit for each car

what type of communication cable is listed to be fire resistant and run in ducks and plenums

Blp

The grounding terminal of the grounding type receptacle installed in a metal box Shall be

Bonded to the metal box

The distance between the __ of the rear entry and the nearest termination for the entering conductors shall not be less than the distance given in table 312.6

Center

Remote control circuits to safety control equipment shall be classified as class _____ regardless of voltage if the failure of the equipment to operate introduces a direct fire or light hazard

Class one

A lubrication service pit without ventilation is installed in a minor repair garage. There is no dispensing a flammable liquids on the premises. The classification of this pit is

Class one division two

A lubrication service pit without ventilation is installed in a commercial garage. There's no dispensing of flammable liquids on the premises. The classification of this pit is

Class one, Division I

What type of communication cable is listed for us in dwellings and raceways and flame retardant

Cmx

Switch boards and switchgear shall be installed to reduce the possibility of communicating fire two adjacent __ material

Combustible

Article 200.3

Connection to a Grounded System

The grounded conductor of a two wire branch circuit shall be identified by

Continuous white or natural gray color

In a simple circuit lowering the current will cause the voltage to

Decrease

A switch is a

Device

The efficiency of a transformer is measured by

Dividing the output by the input power

A device wider than a single 2 inch device box shall have --- many allowance provided for each gang required for mounting

Double volume

Unbroken lengths of surface nonmetallic raceways may pass through which of the following

Drywall's

A three gang nonmetallic box contains the following. Two single pole switches connected to number 14 AWG conductors from a 15 amp circuit, and one duplex receptacle connected to number 12 AWG conductors from a 20 amp circuit box. Which of the following is required by code when computing cubic inch capacity of the box

Each switch is computed at 4 in.³

A three gang non metallic box contains the following: two single pole switches connected to number 14 AWG conductors from 15 amp circuit, and one duplex receptacle connected to number 12 AWG conductors from a 20 amp circuit. Which of the following is required by code when calculating cubic inch capacity of the box.

Each switch is computed at 4.5 cubic inches

Each general care area patient bad location shall be provided with a minimum of _____ receptacles

Eight

One sizing a pole box for a straight pull of number 4/3 Romax the length of the box shall not be less than _____ times the trade diameter of the raceway

Eight times a trait diameter

When sizing a pole box for a straight poll of number 4/3 Romax, but length of the box will not be less then - times the trade diameter of the raceway

Eight times the trade diameter

The conductive path that provide a ground fault current path and connects normally noncurrent carry metal parts of equipment together to the system grounded conductor or to the grounding electrode conductor or her both is called

Equipment grounding conductor

When screening applicants for a job opening what medical information maybe use as a basis for denying employment

Evidence of illegal drug use

Receptacle outlets are never premiere to be installed above any type of baseboard heat.

False

Receptacle shall be permitted to be installed above an electric baseboard heater in a dwelling unit

False

Residential outdoor receptacle outlets shall not be GFCI protected

False

Sliding glass doors or sliding panels are considered wall space one spacing receptacles in dwelling units

False

Smoke alarms in a dwelling unit should be on an individual branch circuit.

False

Square boxes shall not be used with plaster rings for the purpose of mounting a receptacle for switch

False

Switch boards and switchgear installed over a combustible floor shall not be required to be provided with suitable protection

False

The dedicated space above a paddleboard extends to a drop or suspended ceiling, which is considered a structural ceiling

False

The minimum clearance required between the bottom of the switchboard and switchgear and enclosure and busbars, with their supports or other obstruction, is 10 inches for insulated busbars

False

The number of conductors that are permitted in conduit bodies are determined by the square inch area per table 2 end tables 3 of chapter 9

False

Track lighting shall not be less than 7 1/2 feet above the finish floor for voltages at 277 V

False

When installing a multi wire circuit for lighting, Can two single pole breakers be used

False

When installing a multiwire branch circuit for lighting, Ken two single pole breakers be used without tile hands

False

And island countertop with a short dimension of 10 inches or greater shall have a receptacle outlet for each 4 foot in a dwelling unit

Falsw

Receptacle outlet shall not be installed in the hallway of dwelling units

Falsw

The size of an auxiliary Gotter shall be determined by dividing the total square inch area of the conductor by 40% Fill area for installing conductors

Falsw

Well 15 or 20 amp, 120 V receptacles shall not be provided with GFCI protection if located in the bathroom of a commercial building

Falsw

The horsepower rating of a 200 V single phase motor during 22. To FLA and operating at 84% efficiency is

Five HP

What is considered wall space when spacing receptacles

Fixed panels

A helper earns $10 per hour and works eight hours per day on Monday, Tuesday, and Friday. He also works 10 hours on Thursday and Saturday. There is no work on Wednesday. Well work is for the same contractor. How many hours are subject to the overtime pay

Four

Hey 120 V 15 amp circuit between a house and a post light in the front yard is provided with GFCI protection. The UF cable circuits exits the house 14 inches above grade. What is the minimum protection depth required for this cable in the ground

From where at exit the house to 12 inches below grade

A 120 V, 15 amp circuit between a house and a post light in the front yard is provided with GFCI protection. The UF cable circuit exit the house 14 inches above grade. What is the minimum protection depth required for this cable in the ground

From where it exits the house to 12 inches below grade.

Temporary wiring for a trade show display booths in exhibition halls shall be

GFCI protected

And electrically conductive path from the point of a ground fault on a wiring system through normally non-current carrying conductors equipment for the earth to the electrical supply source is called

Ground fault current path

Article 210.8

Ground-Fault Circuit-Interrupter Protection for Personnel

A label shall be permanently affixed to the equipment or writing method and shall not be___

Hand written

Article 210.5

Identification for Branch Circuits

Article 200.10

Identification of Terminals

A circuit directory shall be legibly ___ as to its clear, evident, and specific purpose or use

Identified

False

In AC circuits power is determined by multiplying voltage times amperage when the voltage and amperage have a phase angle of 45°

When the electrons flow this way, the current is called the "direct current"

In one direction onlyp

Why should a contractor have a good understanding and working knowledge of contract law

In order to write his own contracts without using a lawyer

True

Insulators have very few electrons.

"An electrical power production system that is operating in parallel with and capable of delivering energy to an electric primary source supply system"

Interactive systsm

Article 90

Introduction

A grounding electrode conductor can be spliced by using what type of compression type connectors

Irreversible compression

The nearest readily accessible location for the main 150 amp service disconnecting means for a dwelling unit is in the bathroom area. The required working clearances can be maintained in this room and the branch circuit over current devices will be located in another room through a feeder. Which of the following best describes code requirements for the location of this disconnecting

It is not permitted in this room

The lower level of a dwelling unit is completely finished off into habitable rooms except for an 8' x 8' area which contains the heater and water heater. A duplex receptacle is to be installed in this area. Which describes the code for this receptacle.

It is required but does not require GFCI protection.

The lower level of the dwelling unit is completely finished off into a bit of all rooms except for an 8' x 8' area which contains the heater and water heater. A duplex receptacle is to be installed in this area. Which of the following best describes code requirements for installation of this receptacle

It is required to be installed and must have GFCI protection

A 300 foot run of 800 amp busway is installed in a commercial warehouse building. The last 20 feet of the busway run is reduced to a bus rating of 200 amp. Which of the following best describes requirements for installation of the smaller bus

It must be protected by and overcurrent device

A 125 V 20 amp outlet type wall receptacle is to be installed in the bathroom of a drugstore. Which of the following best describes code requirements for the installation of this receptacle

It must have GFCI protection

A receptacle is installed outdoors on the porch of the dwelling unit. The receptacle is located such that is near the open railing of the porch, but it is at a height of 7 feet above grade level. Which of the following best describes code requirements for installation.

It must have GFCI protection as it is outside

A duplex wall receptacle is to be installed in the garage of a dwelling unit. The receptacle will be located between a refrigerator and freezer so that each are plugged into the duplex receptacle. What code requirements should be installed?

It must have GFCI protection because it is in a garage and readily accessible.

A kitchen sink with a 1 foot countertop is installed in the family room area of the dwelling unit with a wall receptacle installed within 6 feet of this kitchen sink. Which of the following best describes code requirements for installation of this receptacle

It must have GFCI protection even though it is it a family room

The laundry circuit is to be installed in the basement of a dwelling for a washing machine. The dryer will be connected to a 30 ampere dryer receptacle. which of the following best describes the code requirements

It must have Gfci protection and be readily accessible.

Who is the best girlfriend ever

Katie

A mobile home that has been designed to be used with a permanent foundation and has the service equipment factor installed in compliance with the article 230 with proper grounding means is defined as a

Manufactured home

A mobile home that has been designed to be used with a permanent foundation and has the service equipment factory installed in compliance with the article 230 with proper grounding means, is defined as a

Manufactured home

Branch circuits required for the purpose of lighting, central alarm, or other public work areas of a ____ shall not be supplied from equipment that's apply as an individual dwelling unit

Multi occupancy building, two family dwelling, multi family dwelling

Article 210.4

Multiwire Branch Circuits

A laundry circuit is to be installed in the basement of a dwelling for a washing machine within 6 feet of a sink. The dryer will be connected to a 30 ampere dryer receptacle. Which of the following best describes code requirements?

Must be GFCI protection

Article 200.4

Neutral Conductors

"The conductor connected to the neutral point of a system that is intended to carry current under normal conditions"

Neutral conductor

Which of the following is not allowed for a licensed electrical contractor in Suffolk County

Operating without liability insurance

Article 210.2

Other Articles for Specific-Purpose Branch Circuits

At what voltage or two locknuts required for bonding rigid metal pipe at A JB

Over 250 v

Which of the following is not true concerning overload protection for a motor

Overloads must provide fault protection

What is retainage

Percentage of the amounts the contractor held by the owner until the job is satisfactorily completed

Temporary wiring for trade show display booths in exhibition halls shall be

Permitted to be laid on floors

Temporary wiring for trade show display booths in exhibition halls shall be

Permitted to be late on floors

Means must be provided to disconnect the ____ from the premises wiring within the service equipment disconnecting means

Phase conductors

In general the overcurrent protection for the single phase supply conductors to a phase converter shall not exceed 125% of the

Phase converter nameplate single phase input full load amp

Article 200.11

Polarity of Connections

Outlet boxes shall be installed in wood covered walls so that the box is flush with or

Pro jacked from the wall surface

We are nonmetallic cable's, such as Romax, or installed through factory or field punched holes in metal framing members, the cable must be

Protected by bushings or grommets securely fastened before installation of the cable

Each disconnecting means shall be legibly Marked to indicate it's

Purpose

Panelboards utilizing __ or __ Bends require greater distance between lugs and the sides where conductors are terminated

S or l

This happens when an underground dd phase conductor makes accidental contact with the metal box or conduit.

Short circuit.

A 120/240 V single phase 200 amp service is installed in a building. The service conductors extend into a metal wire way and are then tapped to supply to mean disconnecting means each rated 100 A. Which of the following best describes code requirements for the on spliced mean bonding jumper connection from the equipment grounding conductor to the service equipment enclosure

The MBJ shall be connected to both of the service disconnects

The required bonding of all raceways for class one locations is required to extend back to the service equipment grounding point. Where a second building is supplied from a service in another building, and the second building has a service disconnect along with branch circuit over current devices and grounding in compliance with 250.32, the required bonding must extend to

The building disconnecting means in the second building

Rigid nonmetallic conduit shall be supported so that

The conduit can move from expansion and contraction

In a simple circuit lowering the voltage will cause the current too

The current will also be decreased

A 120 V circuit is installed to provide power to the pump for an LP gas filling station located at a gasoline dispensing service station. The LP gas will be dispensed into portable tanks as used in barbecue grills. Which of the following best describes code requirements for the disconnecting means for the circuit

The disconnect must also disconnect the grounded conductor

Which of the following best describes code requirements for the enclosure to contain a metal oxide varietor type a surge arrestor installed in a class one, Division II location

The enclosure is permitted to be of the general purpose type

A piece of nonmetallic sheathed cable must be connected to an existing knob and tube wiring circuit. Which of the following best describes code requirements for this change

The nonmetalic cable. Must terminate in a box or fitting with Bush holes for each conductor

A metal pole supporting a luminaire is installed in a parking lot. The pool is 18 feet high but does not have a 2 x 4" hand hold in the bottom. Which of the following best describes code requirements for this installation

The pole must have a hinged base

A metal pole supporting a luminaire is installed in a parking lot. The pole is 18 feet high but does not have a 2×4 inch hand hold in the bottom. Which of the following best describes code requirements for this installation?

The pole must have a hinged base.

A 120 V, 20 amp duplex receptacle is installed in an elevator pit to supply power for a sump pump. Which of the following best describes code requirements for this installation

The receptacle must have GFCI protection for personnel

A 125 V single phase 15 or 20 amp receptacle must be installed on all rooftops except one and two family dwellings. When these rooftops have heating air-conditioning refrigeration equipment located on them. Which of the following best describes code requirements for installation of this receptacle

The receptacle shall be located on the same level and within 25 feet of the heating and air-conditioning refrigerating equipment and GFCI protected

Ambient temperature for code purposes is

The temperature of the air surrounding the conductor

ambient temperature for cold purposes is

The temperature of the air surrounding the conductor

Face plants covering flush mounted snap switches shall be installed so that

They cover the wall opening and see against the wall surface

Power Limited fire alarm conductors are to be installed within an enclosure containing electric light and power conductors. Which of the following best describes code requirements for these conductors

They must be routed at least .25 inches from other conductors

Hey single phase 3 kVA, 480 V to 120 V transformer is installed to supply power to a piece of industrial Quitman. The transformer is protected on the primary side with 10 amp fuse is. No secondary conductor protection has been provided. Which of the following best describes code requirements for the secondary conductors of this transformer

They must be size at a minimum of 40 amp

Enclosures that are not over 100 in.³ in size and which have two conduit supporting within 3 feet on either side of the enclosure and the enclosure does not contain devices or support fixtures shall not be required to have the enclosure supported if the conduits are

Threaded entries or identified hubs

To operate a white picture from five locations how many three-way switches are required

Three

Went to ladder is used to access an upper landing surface, the side rails of the ladder must extend how many feet above the landing service

Three feet

A bathroom is an area including a basin and one or more of the following

Toilet, tub, and shower

Switch boards and switchgear that are of the ___ and close type shall not be provided to have a clearance between the top of the switchboard

Totally

The property of a conductor which tends to hold back the flow of electrons is

Transistrt

And approved drainage opening 1/4 inch or smaller shall be permitted to be installed in the field in boxes or conduit bodies listed for use in wet or damp locations

True

Arc fault receptacles or AF CI shall be installed when replacing a receptacle as specified elsewhere in the code

True

At least one entrance with a minimum of 24" x 6.5' Shelby provided for access to the working space of high-voltage equipment

True

At least one lighting outlet shall be installed to provide lighting for the illumination of habitual rooms in dwelling units

True

Boxes and conduit's bodies shall be of an approved size to provide free space for all enclose conductors

True

Boxes and junction boxes used to support luminaires, ceiling fans, devices, shall be mounted in such a manner to adequately support such items

True

GFCI protection shall be provided for all receptacles in the kitchen to serve countertop surfaces and be readily accessible

True

Hey clock can be installed on the small appliance circuits

True

If we are access is necessary to work on non-electrical parts on the back of enclosed equipment a minimum working space of 30 inches horizontally shall be provided

True

In an AC circuit, capacitive reactance is negative because it causes the voltage to lag the current, and inductive reactance it's positive because it causes the voltage to lead the current.

True

In an AC circuit, the resistance, capacitive reactance, and inductive reactance when added together are called the impedance.

True

Pendant conductors longer than 3 feet shall be twisted together we are not cabled in a listed assembly

True

Receptacle outlet shall be installed so that there is no point on the wall greater than 6 feet from the receptacle outlet

True

Receptacle outlets shall be installed wherever flexible cords with attachment plugs are used

True

Relays, meters and other equipment located on switchboards and switchgear shall be grounded

True

The neutral terminal bar shall be identified for the purpose and where interconnected between the equipment grounding conductor and grounded circuit conductor is permitted or require by article 250

True

The resistance of a given conductor very strictly with its length and inversely with the area of its cross section

True

Working space I'll be free from storage of materials and Extc.

True

Conductors that are intended for use as _ conductors, whether use as a single conductor or a multi conductor cable's, shall be finished to be clearly distinguishable from grounded and grounding conductors

Ungrounded

The insulation rating is based on circuit

Voltage

What is the annual report provided to the federal government of the payroll wages your employees earned during a calendar year

W2 wage and tax statement

What is a contractors break even point

When he has enough business for his gross profit to cover his overhead

_____ compounds that increase the dielectric constant shall not be used on the secondary conductors of the isolated power supply

Wire pulling

The ungrounded phase conductors shall be identified with any color of insulation or tagging except Gray, _____ or _____

White or green

Art 90: Ch 9 -- Tables, are _____?

[Ch ___, ____ are applicable as references]: Applicable as referenced

In a solar photovoltaic System if a grounded conductor is open to interrupt the ground for current path all conductors of the faulted circuit shall

be automatically and simultaneously opened

Article 200.6

Means of Identifying Grounded Conductors_ Size 6 AWG or smaller

820 KW electric furnace is to be connected in a dwelling unit. If the circuit breaker supplying the circuit is labeled 60/75°, what is the minimum size XHHW aluminum conductor permitted

No 1/0