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1. In locations other than dwelling units, a 40-ampere branch circuit shall be permitted to supply the following loads:

Other utilization equipment

Fixed lighting units with heavy duty lamp holders

All of the above

Infrared heating units

Question 1 of 25

2. Which of the following outdoor 15 or 20 ampere, 125-volt, single-phase receptacles at a dwelling unit are not required to be GFCI protected? A receptacle installed:

on a second-floor balcony

on the wall at a height of 7 ft above the ground level

on a dedicated branch circuit to supply snow-melting equipment at the roof.

in an open carport.

Question 2 of 25

3. True or false: Surge arresters shall be permitted to be located indoors or outdoors.

False

True

Question 3 of 25

4. A clear zone distance from the top of a bathtub rim or a shower stall threshold must be at least _____ ft. vertically for any parts of chain-, cable-or cord-suspended luminaries, cord-connected luminaries (fixtures), lighting track, pendent, or ceiling-suspended (paddle) fans.

5 feet

7 feet

6 feet

8 feet

Question 4 of 25

5. Receptacles in health care facilities that have isolated grounding terminals as described in 250.146(D) are allowed in the vicinity of patient care areas.

True

False

Question 5 of 25

6. General lighting in dwelling units is required to have a unit load of at least _______ VA.

3

6

4

5

Question 6 of 25

7. The total rating of utilization equipment fastened in place shall not exceed ____ percent of the 15 or 20 ampere branch-circuit rating.

50

80

60

100

Question 7 of 25

8. Receptacles installed in a kitchen to serve counter-top surfaces shall be supplied by not fewer than _______ small-appliance branch circuits.

4

3

1

2

Question 8 of 25

9. Plug Edison-Base fuses shall be classified at not over 125 volts and ______ amps and below.

25

60

100

30

Question 9 of 25

10. What is the minimum computed branch circuit load, in volt-amps, allowed by the NEC for a branch circuit serving an exterior electric sign, when calculating a building or structure's total load?

1200VA

1800VA

3000VA

1500VA

Question 10 of 25

11. What size overcurrent protection device is required for a branch circuit with a continuous load of 80 amps with 75 degrees C terminals and 3 AWG cu THWN conductors?

125 amp

100 amp

150 amp

90 amp

Question 11 of 25

12. EMT shall be securely fastened in place at least every _______ feet.

9 feet

10 feet

11 feet

12 feet

Question 12 of 25

13. In general how many receptacles can be installed on a single 120V 20 amp circuit?

11

13

10

12

Question 13 of 25

14. The length of a pull box containing conductors of size 4 AWG and larger shall not be less than _____ times the trade diameter of the largest conduit entering the box when a straight pull of the conductors is to be made.

Nine

Seven

Eight

Six

Question 14 of 25

15. What is the minimum vertical clearance from final grade for open overhead service conductors up to 1000 volts over public driveways?

15 feet

20 feet

17 feet

18 feet

Question 15 of 25

16. If only 1 conductor is used in a tube of EMT conduit, the total interior area that can be filled is no more than _________ percent.

53

83

63

43

Question 16 of 25

17. What is the minimum ampacity of the branch-circuit conductors used to supply a 7-1/2 hp, 240 volts, single-phase induction type, ca motor for continuous duty application?

80 amps

55 amps

30 amps

50 amps

Question 17 of 25

18. Electric signs and outline lighting systems must be _______ or more above areas accessible to vehicles unless protected from physical damage.

20 ft

14 ft

9 ft

10 ft

Question 18 of 25

19. Fixtures wires shall not be smaller than ________ AWG.

14

12

16

18

Question 19 of 25

20. Over what length would 12 awg festoon lighting need to be supported by a messenger wire?

40'

20'

30'

50'

Question 20 of 25

21. For circuits supplying loads consisting of motor - operated utilization equipment that is fastened in place and has a motor larger than 1/8 hp in combination with other loads, the total computed load shall be based on _______ of the largest motor load plus the sum of the other loads.

100%

125%

120%

130%

Question 21 of 25

22. A grounded conductor is what color?

White

Bare

Green/Yellow

Green

Question 22 of 25

23. What is the minimum clearance required between a surface mounted incandescent luminaire installed above the door or on the ceiling of a clothes closet, and the nearest shelf?

10 inches

12 inches

11 inches

9 inches

Question 23 of 25

24. The load for household electric clothes dryers in a dwelling unit(s) shall be ________ watts (volts-amperes) or the nameplate rating, whichever is larger for each dryer served.

6000

1000

4000

5000

Question 24 of 25

25. Where conduits enter a switchboard or floor -standing panelboard at the bottom, the conduit including their end fittings, shall not rise more than _____ inches above the bottom of the enclosure.

4 inches

3 inches

2 inches

5 inches

Question 25 of 25

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