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1. Unless it is necessary to supply pool equipment, underground wiring is not allowed under a pool or in an area less than _______ ft. horizontally from the inside wall of the pool.

6

5

7

8

Question 1 of 25

2. Why is electrical continuity required for metallic conduit?

To establish an effective ground-fault path and facilitate the operation of the overcurrent protective device.

To reduce electrolysis.

To limit galvanic corrosion.

To reduce voltage drop.

Question 2 of 25

3. Where a branch circuit supplies continuous loads or any combination of continuous and non-continuous, the rating of the over-current device shall not be less than the noncontinuous load plus _______ of the continuous load.

135 percent

130 percent

125 percent

120 percent

Question 3 of 25

4. In industrial establishments only, when a 200-ampere rated busway is tapped from a 600-ampere rated busway, what is the maximum permitted length of the 200-ampere busway where overcurrent protection is not provided for the 200-ampere busway?

50 feet

100 feet

125 feet

75 feet

Question 4 of 25

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

Metal underground water pipe 10' in length

Metal underground gas pipe 10' in length

Concrete encased 4 awg 20' in length.

Ground Ring 20' in length

Question 5 of 25

6. Where a cable- or raceway-type wiring method is installed through bored holes in joists, rafters, or wood members, holes shall be bored so that the edge of the hole is not less than ______ inches from the nearest edge of the wood member.

11/6

1-1/5

1-1/4

1-1/3

Question 6 of 25

7. What is the minimum clearance for communications wires and cables above all points of roofs above which they pass?

7 feet

9 feet

6 feet

8 feet

Question 7 of 25

8. True or False: The raceway fill limitations detailed in 300.17 will apply to coaxial cables.

True

False

Question 8 of 25

9. Receptacle providing power for swimming pool recirculating pump motors must be GFCI protected, grounded, and must be at least how far from the inside walls of the pool?

6 feet

5 feet

2 feet

4 feet

Question 9 of 25

10. If a panel is straight rated 480v what type of rating(s) are the breakers required to have?

277/480V and 480V

480V

277/480V

Question 10 of 25

11. In each dwelling unit, the load shall be computed at __________ volt-amperes for each 2-wire small-appliance branch circuit required.

1400

1600

1500

1300

Question 11 of 25

12. Service -entrance cables shall be supported at intervals not exceeding _______ inches.

50

20

30

70

Question 12 of 25

13. Where 10-20 current-carrying conductors are installed in the same raceway the ampacity of each conductor shall be reduced ______ percent.

60

40

30

50

Question 13 of 25

14. 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.

3'

1'

4'

2'

Question 14 of 25

15. Final spans to buildings shall be permitted to be attaches to the building, but thy shall be kept not less than _______ from the windows that are designed to be opened.

3 feet

2 feet

5 feet

4 feet

Question 15 of 25

16. A grounded conductor is what color?

Green

Green/Yellow

Bare

White

Question 16 of 25

17. For ranges of 8 3/4 kW or more rating, the minimum branch-circuit rating shall be amperes.

40

30

20

50

Question 17 of 25

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

110

125

115

100

Question 18 of 25

19. What is the maximum number of disconnecting means per supply?

1

8

6

4

Question 19 of 25

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

4-1/2

5-1/2

3-1/2

1-1/2

Question 20 of 25

21. What is the minimum length, in feet, for rod and pipe ground electrodes made of specific materials?

7

8

6

10

Question 21 of 25

22. For dwelling units, at least one receptacle outlet accessible at grade level and not more than ________ feet above grade shall be installed at the front and back of each dwelling.

2-1/2

3-1/2

6-1/2

7-1/2

Question 22 of 25

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

12

13

11

10

Question 23 of 25

24. 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 _____.

laundry rooms

all of these areas

bathrooms

garages

Question 24 of 25

25. Breakers that are marked SWD are approved to control light fixtures of what type.

Metal Halide

High-pressure Sodium

Fluorescent

High Intensity Discharge

Question 25 of 25

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