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1. 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?

1500VA

1800VA

1200VA

3000VA

Question 1 of 25

2. Where conductors supply continuous loads the conductor shall have an ampacity rating not less than what percentage?

125

100

110

115

Question 2 of 25

3. Within or behind a surface of concrete, tile, gypsum, plaster, or other non-combustible material, boxes shall be installed so that the front edge of the box will not be set back of the finished surface more than ______ inch.

1/4

1/5

1/3

1/2

Question 3 of 25

4. The area around motor fuel dispensing pumps at a service station is considered a hazardous location. How far horizontally from the enclosure of the outdoor motor fuel dispensing pumps does this extend?

20 feet

19 feet

21 feet

18 feet

Question 4 of 25

5. Single-conductor cable such as _____ and single-conductor cable listed and identified as solar photovoltaic (PV) wire are permitted for use in PV source circuits within the PV array.

PVC-2

THHN

USE-2

UF

Question 5 of 25

6. What is the minimum length/space of a wall?

4'

2'

6'

10'

Question 6 of 25

7. General lighting in dwelling units is requires to have at least _______ VA.

3 VA

2 VA

4 VA

5 VA

Question 7 of 25

8. 480 Volt lighting in a parking lot is required to be at what height?

18'

22'

20'

24'

Question 8 of 25

9. For a size 6 AWG THHN copper conductor connected to a fusible disconnect switch with terminals rated for 75 degrees Celsius, what is the maximum current load, in amps?

65 amps

75 amps

50 amps

100 amps

Question 9 of 25

10. If an outlet box is designed to support ceiling suspended (paddle) fans weighing more than ______, then the maximum weight to be supported shall be included in the required marking.

34 pounds

45 pounds

35 pounds

25 pounds

Question 10 of 25

11. Required 125-volt,15- and 20-ampere receptacles in dwelling units shall not be located higher than _______ feet above the floor.

1-1/2

3-1/2

4-1/2

5-1/2

Question 11 of 25

12. If a warehouse uses mercury vapor lighting in the storage area, and the storage area is 40,500 square feet of space, what is the minimum lighting load?

10,125VA

8,850VA

20,250VA

30,375VA

Question 12 of 25

13. A receptacle outlet shall be installed at each wall counter-top space that is _______ inches or wider.

13

15

11

12

Question 13 of 25

14. In hospital occupancies, the unit load for general lighting must be at least _________ VA per square foot.

1.6 VA

2 VA

1.5 VA

3 VA

Question 14 of 25

15. A building or other structure served shall be supplied by only __________ service.

1

2

3

4

Question 15 of 25

16. 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.

4000

1000

6000

5000

Question 16 of 25

17. For installations to supply only limited loads of a single branch circuit, the branch circuit disconnecting means shall have a rating of not less than _________.

10 amperes

15 amperes

20 amperes

12 amperes

Question 17 of 25

18. Receptacle outlets in a dwelling unit shall not serve as one of the required outlets if located more than ____ ft ____ in. from the floor

6,6

4,6

7,6

5,6

Question 18 of 25

19. A grounding conductor is what color?

Green

Brown

White

Gray

Question 19 of 25

20. For a branch-circuit where lighting outlets or general-use receptacles are also supplied, what is the maximum percentage of the rating that may not be exceeded by a cord-and- attachment-plug-connected room air- conditioner?

50%

70%

60%

40%

Question 20 of 25

21. Underground service entrance conductors are not permitted in _____.

EMT

RMC

IMC

PVC

Question 21 of 25

22. All of the following are code violations except:

A single 15 ampere-rated receptacle on a 20 ampere individual branch circuit

A single 15 ampere-rated receptacle on a 15 ampere general-purpose branch circuit

A single 30 ampere-rated receptacle on a 40 ampere individual branch circuit

A duplex 20 ampere-rated receptacle on a 15 ampere multiwire branch circuit

Question 22 of 25

23. Show windows must be calculated either at 200 volt-amps per _________ of show window, or the unit load per outlet as required in other provisions of article 220.14.

1'

2'

3'

4'

Question 23 of 25

24. Plug fuses of the Edison-base type shall be classified at not over 125 volts and _______ amperes and below.

50

30

20

70

Question 24 of 25

25. Loads for convenience receptacle outlets shall be computed at not less than _______ volt-amperes for each single for each multiple receptacle on one yoke.

150

170

180

160

Question 25 of 25

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