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1. 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.

7

8

6

5

Question 1 of 25

2. Receptacle outlets shall be installed so that there is no point on the wall greater than ____ ft from a receptacle outlet in a dwelling unit.

4

3

12

6

Question 2 of 25

3. Which of the following are not permitted for use as a grounding electrode?

Metal underground water pipe 10' in length

Ground Ring 20' in length

Concrete encased 4 awg 20' in length.

Metal underground gas pipe 10' in length

Question 3 of 25

4. What is the minimum clearance that must be maintained between electrical metallic tubing (EMT) and the surface of the roof decking when it is installed under metal-corrugated sheet roof decking?

1-1/6 inch

1-1/4 inch

1-1/3 inch

1-1/2 inch

Question 4 of 25

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

12

16

14

18

Question 5 of 25

6. What is the minimum percentage of the maximum current rating for PV system overcurrent devices, as calculated in 690.8(A)?

115%

100%

125%

150%

Question 6 of 25

7. 277 Volt lighting in a tunnel is required to no be less than _____.

20'

14'

18'

16'

Question 7 of 25

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

1.5 VA

3 VA

1.6 VA

2 VA

Question 8 of 25

9. EMT smaller than ______ shall not be used.

1/4 inch

1/5 inch

1/3 inch

1/2 inch

Question 9 of 25

10. Based on the largest conductor connected to the switch, for the purpose of determining conductor fill in a device box, how many conductor(s) is a three -way switch counted as equal to?

4

1

2

3

Question 10 of 25

11. EMT shall be securely fastened in place in intervals not to exceed __________ feet.

11

13

10

12

Question 11 of 25

12. Where a branch circuit supplies continuous loads or any combination of continuous and non- continuous loads, the minimum branch-circuit conductor size shall have an allowable ampacity not less than the non-continuous load plus ______ of the continuous load.

130 percent

120 percent

125 percent

135 percent

Question 12 of 25

13. What is the minimum volt-amps (VA) per outlet for general-purpose receptacle loads, before taking demand factors into consideration for commercial buildings?

180 VA

190 VA

120 VA

150 VA

Question 13 of 25

14. For dwelling units, GFCI protection is required for all single-phase, 125-volt, 15- and 20-ampere receptacles installed within six (6) feet of the top inside edge of the bowl of sinks located in _____.

bathrooms

all of these areas

laundry rooms

garages

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.

40

30

50

20

Question 15 of 25

16. What is the minimum weight of a manhole cover?

80lbs

100lbs

140lbs

120lbs

Question 16 of 25

17. Generally, service conductors installed as open conductors must have a minimum clearance from balconies, doors, porches, and windows that are designed to be opened of:

6 feet

3 feet

7 feet

2 feet

Question 17 of 25

18. Race-ways installed in solid rock shall be permitted to be buried at lesser depths than required where covered by _________ of concrete, which shall be permitted to extend to the rock surface.

4 inches

2 inches

5 inches

3 inches

Question 18 of 25

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

45

70

75

60

Question 19 of 25

20. Tap conductors supplying a transformer not over 25' in length, the tap conductor shall have an ampacity rating of at least ________ the rating of the overcurrent protective device.

1/2

1/3

1/10

1/4

Question 20 of 25

21. 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

12 amperes

15 amperes

20 amperes

Question 21 of 25

22. Feeder circuits are not allowed to exceed what percentage of voltage drop?

3

10

2

5

Question 22 of 25

23. 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

3000VA

1500VA

1800VA

Question 23 of 25

24. Branch circuits are not allowed to exceed what percentage of voltage drop?

3

10

2

5

Question 24 of 25

25. 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.

35 pounds

34 pounds

25 pounds

45 pounds

Question 25 of 25

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