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1. 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

1-1/3

1-1/4

Question 1 of 25

2. What is the minimum size conductor for 20A branch circuit?

18

12

14

10

Question 2 of 25

3. What is the maximum ampacity of a 20 amp breaker?

25

16

20

12

Question 3 of 25

4. For a one-family dwelling, the feeder disconnecting means shall have a rating of not less than _________ amperes, 3-wire.

100

90

80

200

Question 4 of 25

5. True or false: If fire alarm cable is abandoned, the accessible portions must be removed.

True

False

Question 5 of 25

6. 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

8

7

5

Question 6 of 25

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

100

110

115

125

Question 7 of 25

8. What is generally the maximum distance above the counter-top for receptacle outlets in dwelling unit kitchens?

40 inches

20 inches

50 inches

30 inches

Question 8 of 25

9. In front of electric equipment, the working space must have space for doors or hinged panels to open ______ degrees or more.

80

100

90

75

Question 9 of 25

10. For multi-conductor or multiplexed single conductor cables having individually shielded conductors, the minimum bending radius is _________ the diameter of the individually shielded conductors or 7 times the overall diameter, whichever is greater.

10 times

12 times

11 times

13 times

Question 10 of 25

11. EMT smaller than ______ shall not be used.

1/5 inch

1/2 inch

1/4 inch

1/3 inch

Question 11 of 25

12. Overhead service-drop conductors shall not be smaller than ________ copper.

8 AWG

2 AWG

10 AWG

6 AWG

Question 12 of 25

13. The loads for an electric sign or outline lightning system should be computed at a minimum of _________ volt-amps when sizing the service calculation.

1400

1500

1300

1200

Question 13 of 25

14. 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

3000VA

1200VA

1800VA

Question 14 of 25

15. 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?

2 feet

4 feet

6 feet

5 feet

Question 15 of 25

16. Surface-mounted incandescent luminaries (fixtures) installed on the wall above the door or on the ceiling in clothes closets shall have a minimum clearance of ______inches between the luminaire and the nearest point of storage.

10

11

13

12

Question 16 of 25

17. In a PV system, a ________ is a device meant to change direct-current input to alternating-current output.

Breaker

Conductor

Transformer

Inverter

Question 17 of 25

18. Service-entrance cables shall be supported by straps or other approved means at intervals not exceeding _______ inches.

50

40

30

20

Question 18 of 25

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

5000

6000

4000

7000

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

1/10

1/3

1/4

Question 20 of 25

21. 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?

70%

40%

50%

60%

Question 21 of 25

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

7 feet

6 feet

9 feet

8 feet

Question 22 of 25

23. 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

USE-2

UF

THHN

Question 23 of 25

24. Trees can be used as supports for overhead conductors.

False

True

Question 24 of 25

25. Circuit breakers used as switches in 120 volt and 277 volt high-intensity lighting shall be marked.

SWD or HID

SWD

SWD and HID

HID

Question 25 of 25

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