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1. If a branch circuit served by 12 AWG conductors is protected by a 15-ampere circuit breaker, what kind of rating does it have?

15 amperes

14 amperes

16 amperes

13 amperes

Question 1 of 25

2. Which of the following is not a standard ampere rating for a circuit breaker?

45

35

25

55

Question 2 of 25

3. Circuit breakers shall clearly indicate whether they are on or off. In the up position a breaker shall be off.

True

False

Question 3 of 25

4. What is the minimum clearance over residential driveways of overhead spans of open conductors of up to 300 volts to ground.

12 feet

11 feet

15 feet

10 feet

Question 4 of 25

5. Overhead service-drop conductors shall have a vertical clearance if not less than _________ above the roof surface.

7 feet

8 feet

9 feet

6 feet

Question 5 of 25

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

30

50

20

70

Question 6 of 25

7. For equipment rated 1200 amperes or more and over 6 feet wide that contain over-current devices, there shall be one entrance to and egress from the required working space not less than ________ high at each end of the working space.

6-1/2 feet

5-1/2 feet

7-1/2 feet

2-1/2 feet

Question 7 of 25

8. What is the minimum size AWG for festoon lighting?

14

16

12

10

Question 8 of 25

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

150

180

170

160

Question 9 of 25

10. 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.

8

5

7

6

Question 10 of 25

11. Show window loads shall be computed at 200 volt-amperes per _______ of show window.

4 feet

2 feet

1 foot

3 feet

Question 11 of 25

12. One receptacle outlet shall be installed at an accessible location for the serving of heating, air-conditioning, and refrigeration within _________ feet and on the same level as the equipment.

15

25

10

30

Question 12 of 25

13. A required 125-volt, 15- and 20-ampere receptacles in dwelling units shall be installed in any wall space _______ feet or more in width.

4

3

2

5

Question 13 of 25

14. There shall not be more than the equivalent of four quarter bends ( ________ total ) between pull points, for example, conduit bodies and boxes.

260 degrees

360 degrees

160 degrees

460 degrees

Question 14 of 25

15. If more than 2 conductors are used in a tube of EMT conduit, the total interior area that can be filled is no more than _________ percent.

20

40

50

30

Question 15 of 25

16. Interior stairs have switches at each end, where the stairway between floor levels has ________ risers or more.

12

13

6

7

Question 16 of 25

17. 277 Volt lighting in a tunnel is required to no be less than _____.

16'

18'

14'

20'

Question 17 of 25

18. Lighting systems for fountains, pools, spas, and similar locations must be installed _______ or more horizontally from the nearest water's edge unless Article 680 permits otherwise.

10 m

7 m

3 m

5 m

Question 18 of 25

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

20 feet

15 feet

17 feet

18 feet

Question 19 of 25

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

4'

10'

6'

2'

Question 20 of 25

21. Which of the following is not a standard ampere rating for a circuit breaker?

75

60

70

45

Question 21 of 25

22. 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 22 of 25

23. What is the smallest size grounding conductor allowed for grounding the structural reinforcing steel of a swimming pool?

7 AWG

5 AWG

6 AWG

8 AWG

Question 23 of 25

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

5 VA

3 VA

2 VA

4 VA

Question 24 of 25

25. The total marked rating of a cord-and-attachment-plug-connected room air conditioner shall not exceed _____ percent of the rating of a branch circuit where no other loads are supplied.

90 percent

70 percent

80 percent

60 percent

Question 25 of 25

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