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PRACTICE

Total questions: 50

Worksheet time: 17mins

Name
Class
Date
1.

1.      The term pool includes swimming, and wading therapeutic pools and the term fountain includes

              .

I. Ornamental pools

II. Drinking fountains

III. Display pools                 

IV. Reflection pools

a)

I and II only

b)

II and III only

c)

III and IV only

d)

I, II and IV only

2.

1.      Where the overcurrent device is rated over                  amperes, the ampacity of the conductors it protects shall be equal to or greater than the rating of the overcurrent device.

a)

100

b)

800

c)

200

d)

500

3.

1.      When derating the ampacity of multiconductor cables to be installed in cable tray, the ampacity duration shall be based on      .

I.                    the total number of current carrying conductors in the cable tray

II.                 the total number of current carrying conductors in the cable

a)

I ONLY

b)

II ONLY

c)

BOTH

d)

NEITHER

4.

1.      Where necessary to prevent                   , an automatic overcurrent device protecting service conductors supplying only specific load, such as water heater, shall be permitted to be locked or sealed where located so as to be accessible

a)

tripping                                

b)

tampering

c)

Heat build Up

d)

corrosion    

5.

Several motors, each not exceeding 1 HP in rating, shall be permitted on a nominal 120 V branch circuit protected at not over   amperes.

a)

5

b)

10

c)

15

d)

20

6.

Flexible cords shall be secured to the undersides of showcases so that          .

I.        The free lead at the end of the group of showcases will have a female fitting not exceeding beyond the case

II.     Wiring will not be exposed to mechanical damage

III.  A separation between cases not in excess of 2”, nor more than 12” between the first case and the supply receptacle will be assured

a)

i only

b)

ii only

c)

iii only

d)

Both i, ii and iii

7.

 

All heating elements that are             , and part of an appliance shall be legibly marked with the ratings in volts and amperes, or in volts and watts, or with the manufacturer’s part number.

I.    Replaceable in the field                II. rated over one ampere                    III. over 150 volts

a)

II and III only

b)

I and II

c)

III only

d)

I, II and III

8.

A single 1500w cord and plug connected load on 120v would draw     amps, this requires a number   wire and            circuit breaker for the branch circuit.

a)

10.5 - #2.0 sq mm – 15amp

b)

8 - #2.0 sq mm– 15amp

c)

. 12.5 - #2.0 sq mm– 15amp

d)

12.5 - #3.5 sq mm 20

9.

SE cable used to supply            shall not be subject to conductor temperatures in excess of the temperature specified for the type of insulation involved.

a)

appliances

b)

lighting

c)

motors

d)

generators

10.

Type FCC cable wiring system is designed for installations under     .

a)

Tile

b)

carpet

c)

concrete

d)

carpet squares

11.

The maximum number of overcurrent devices that may be installed in a lighting panel is  ______

a)

42

b)

21

c)

24

d)

35

12.

Any motor application shall be considered as              unless the nature of the apparatus it drives is such that the motor will not operate continuously with the load under any condition of use.

a)

varying duty

b)

short time duty

c)

 periodic

d)

continuous duty

13.

  It is the intent of the code that           wiring or the construction of equipment need not be inspected at the time of installation of the equipment, if the equipment has been listed by a qualified electrical testing laboratory.

a)

underground

b)

factory-installed

c)

Factory-installed internal

d)

Raceway

14.

An international term to define a complete lighting unit consisting of a lamp or lamps together with the parts designed to distribute the light, to position and protect the lamps, and to connect the lamps to the power supply is a      

a)

 luminaire

b)

class I, division II light fixture

c)

class I, division I light fixture

d)

intrinsically safe light fixture

15.

1.      The parallel conductors in each phase or neutral shall          .

I.        Have the same insulation type and conductor material

II.     Be the same size in CMA

III.  Be the same length and be terminated at the same manner

a)

II ONLY

b)

I AND II

c)

I, II AND III

d)

I AND III

16.

1.      In a recreational vehicle park, tent sites equipped with only 20 ampere supply facilities shall be calculated on the basis of _  per site.

a)

600 VA

b)

360 VA

c)

450 VA

d)

220 VA

17.

No grounded interior wiring shall be electrically connected to a supply system unless the supply system contains a corresponding conductor which is       .

a)

Grounded

b)

Shielded

c)

Bonded

d)

Ungrounded

18.

A metal underground water pipe is used as a grounding electrode and used to bond other electrodes together. The grounding electrode conductor is connected to the water pipe on the interior of the building. The connection of the grounding conductor to the interior waterpipe shall be made a maximum of        meter(s) from the point where the water pipe enters the building.

a)

1

b)

1.5

c)

2

d)

2.5

19.

1.      General - use snap switch suitable only for use on alternating – current circuits for controlling

            .

I.        Resistive and inductive loads not exceeding the ampere rating of the switch

II.     Tungsten – filament lamp loads not exceeding the ampere rating of the switch

III.  Motor loads no exceeding 80% of the ampere rating of the switch

a)

I

b)

I, II, III

c)

II AND III

d)

II

20.

Open motors with commutators shall be located so sparks cannot reach adjacent combustible material, but this      .

a)

       Does not prohibit these motors from Class I locations

b)

Is only required for over 600 volts

c)

Shall not prohibit these motors on wooden floors

d)

None of The Above

21.

An overcurrent trip unit of a circuit shall be connected in series with each             .

a)

ungrounded conductor

b)

grounded conductor

c)

overcurrent device

d)

transformer

22.

1.      Means shall be provided to disconnect the   of the fixed electric space heating equipment from all undergrounded conductors.

I.        Heater

II.     Motor

III.  Controller

IV. Supplementary overcurrent protective devices

a)

I AND III

b)

I, II AND III

c)

I AND IV

d)

I

23.

Where AC system operating at less than        volts is grounded at any point, the grounded conductor shall be run to each service

a)

300

b)

1000

c)

4000

d)

1430

24.

  A/an    shall be used to connect the grounding terminal of a grounding type receptacle to a grounded box.

a)

neutral conductor

b)

equipment bonding jumper

c)

branch circuit

d)

bonding jumper main

25.

1.      A bonding jumper shall be used to connect the equipment grounding conductors of the derived system to the grounded conductor. This connection shall be made        .

I.                    at any point on the separately derived system from the source to the first system disconnect

II.                 at any point on the separately derived system from the source to the first overcurrent device

III.              at the source if the system has no disconnecting means or overcurrent device

a)

I, II AND III

b)

I AND III

c)

II AND III

d)

I ONLY

26.

  In computing the load of fluorescent fixtures, the computation shall be based on the      of the fixture.

a)

Wattage of the ballast

b)

wattage of the lamps

c)

total ampere rating

d)

none of    these

27.

1.      Fuses shall be plainly marked with             .

I.  ampere rating                       II. Voltage rating          

III. Interrupting rating where other than 10,000 amperes

a)

I ONLY

b)

II ONLY

c)

III ONLY

d)

I, II AND III

28.

The ampacities provided by this section are based on temperature alone and do not take____ into consideration.

a)

Insulation

b)

AWG

c)

WGA

d)

Voltage Drop

29.

A fixed electric space heater without a motor is installed in a multi-family dwelling. The heater has no supplementary overcurrent protection. The heater is controlled with a thermostat which does not have a marked   “off” position. The branch circuit switch or circuit breaker is not within sight from the heater. For the branch circuit switch or circuit breaker to be permitted to serve as the disconnecting means for the heater, the switch or the breaker must       .

a)

be located within the dwelling unit or in the same floor as the heater

b)

be capable of being locked in the open position

c)

be readily accessible

d)

not control lamps or other appliances

30.

  Where GFCI protection is located in the power supply cord for an outdoor portable sign, the GFCI shall be located within       inches of the attachment plug.

a)

150 mm

b)

300 mm

c)

1000 mm

d)

200 mm

31.

All conductors on a multi wire branch circuit shall originate from the same        .

a)

Feeder

b)

Service

c)

Panelboard

d)

receptacle

32.

  Which of the following is true concerning type NM cable?

a)

It may be fished in air voids in masonry block or tile walls

b)

it may be covered with a plaster, adobe, or similar finish

c)

  It may be installed where exposed to corrosive fumes

d)

    It may be embedded in masonry, concrete, or plaster

33.

A three – wire, 240/120v single – phase 200 amp service for a dwelling requires what size THW copper conductors?

a)

80 sq mm

b)

90 sq mm

c)

100 sq mm

d)

20 sq mm

34.

The grounded conductor of a Mineral Insulated, metal sheathed cable shall be identified at the time of installation by   marking at its termination.

a)

distinctive

b)

neutral

c)

solid

d)

coiled

35.

  In dwelling units and guest rooms of hotels and motels overcurrent devices shall not be located in

           

a)

hallways

b)

bathrooms

c)

bedrooms

d)

kitchen

36.

All splices, joints and free ends of conductors are required to be covered with an insulation         the conductor.

a)

equivalent

b)

as thick as

c)

thicker

d)

larger than

37.

A multiwire branch – circuit may supply      .

a)

120/240v to only one utilization equipment

b)

  120/240v where all undergrounded conductors are opened simultaneously

c)

Both (a) and (b)

d)

    Neither (a) nor (b)

38.

  Which of the following is not required on a motor nameplate?

a)

watts

b)

Hp

c)

Voltage

d)

manufacturer’s identification

39.

   Appliances fastened in place, connected to branch circuits with other load shall not exceed       percent of the branch circuit rating.

a)

70

b)

80

c)

90

d)

100

40.

  Multioutlet assembly may be used     .

a)

Where concealed

b)

in storage battery room

c)

dry location

d)

in hoistways

41.

1.      The following pool equipment shall be grounded               .

I. GFCI

II. Transformer enclosures

III.  Electric equipment located within 5 feet of the inside wall of the pool

a)

i

b)

ii

c)

i and ii

d)

i, ii and iii

42.

1.           of insulating material shall be permitted to be used without boxes in exposed cable wiring.

I.  switch device                       II. Outlet devices                    III. Tap devices

a)

I

b)

II

c)

I AND III

d)

I, II AND III

43.

The rating of an overcurrent device for a capacitor shall be             .

a)

not over 20amp

b)

as low as practicable

c)

less than 50 amp

d)

less than 80 amp

44.

   The adjustable speed drive incoming branch circuit or              to power conversion equipment included as a part of an adjustable speed drive system shall be based on the rated input to the power conversion equipment.

a)

service

b)

feeder

c)

lateral

d)

ground

45.

Open conductors shall be supported on glass or porcelain – knobs      .

I.    Strain insulators                II. Brackets                 III. Racks

a)

i

b)

ii

c)

i and iii

d)

i, ii and iii

46.

Torque motors are rated for operation             .

a)

at full torque

b)

at FLC

c)

at standstill

d)

at anything

47.

   The definition of a bathroom is an area including a      with one or more of the following: a toilet, a tub, or a shower.

a)

basin

b)

spa

c)

glass door

d)

window

48.

   Conductors shall not be installed in locations where the operating temperature will exceed that specified for the type of        used.

a)

Connectors

b)

 protection

c)

insulation

d)

wiring

49.

  Permanent ladders or stairways shall provided to give safe access to the working space around electric equipment over 600 volts installed on    or in attic or roof rooms or spaces.

I.    Balconies               II. mezzanine floors                III. platforms

a)

I

b)

II AND III

c)

II

d)

I, II AND III

50.

    Where a service mast is for the support of service drop conductors, it shall be of adequate strength or be supported by          .

a)

Studs

b)

braces or guys

c)

rigid conduit

d)

beams