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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.

5

6

7

8

Question 1 of 25

2. What is the minimum watts (VA), other than name plate rating (whichever is larger) clothes dryers are to be calculated at when doing residential feeder and service calculations?

6,000

2,000

5,000

1,000

Question 2 of 25

3. Which of the following outdoor 15 or 20 ampere, 125-volt, single-phase receptacles at a dwelling unit are not required to be GFCI protected? A receptacle installed:

on a dedicated branch circuit to supply snow-melting equipment at the roof.

in an open carport.

on the wall at a height of 7 ft above the ground level

on a second-floor balcony

Question 3 of 25

4. The sum of the cross-sectional areas of all contained conductors at any cross-section of a sheet metal auxiliary gutter shall not be exceed ______ percent of the interior cross-sectional area of the sheet metal auxiliary gutter.

21

22

19

20

Question 4 of 25

5. What is the minimum volume, in inches, required for a two (2) gang device box that is to contain two (2) size 14/2 AWG with a ground NM cables and two (2) size 12/2 AWG with ground NM cables connected to a duplex receptacle connected to a single-pole switch, which also contain four (4) cable clamps?

28 cubic inches

30 cubic inches

31 cubic inches

29 cubic inches

Question 5 of 25

6. 277 Volt lighting in a tunnel is required to no be less than _____.

18'

14'

20'

16'

Question 6 of 25

7. Metal water pipes installed in or attached to a building or structure shall be bonded to _____.

any of the above

the service equipment enclosure

the grounding electrode conductor

the grounded conductor at the service

Question 7 of 25

8. True or false: It is permissible to use a metal pole supporting a sign cabinet or sign system to enclose the supply conductors.

False

True

Question 8 of 25

9. Circuit breakers used as switches, and switches containing fuses, shall be in a location so that they can be operated from a readily accessible place, and must be placed so that when the center of the grip of the operating handle of the circuit breaker or switch is in it's highest position, it is _______ or less above the working platform or floor. Exceptions ignored.

7 feet, 4 inches

6 feet, 7 inches

2 feet, 8 inches

3 feet, 6 inches

Question 9 of 25

10. Outdoor 15 or 20 amperes, 125-volt, single-phase receptacles for a dwelling are not required to be GFCI protected if they are supplied from a dedicated branch circuit and installed:

for electric snow-melting or deicing equipment that is not readily accessible and installed in accordance with Article 426.

at least 6 ft., 6 in. above grade.

at a second-floor balcony.

in a weatherproof box.

Question 10 of 25

11. Fixture wires are allowed to be tapped to a branch circuit. What is the minimum size for a 20 amp circuit?

14 awg

16 awg

10 awg

12 awg

Question 11 of 25

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

11

13

15

12

Question 12 of 25

13. Nonmetallic-sheathed cable shall be secured by staples, cable ties, straps, hangers or similar fittings within _______ inches of every cabinet, box or fitting.

12 in

10 in

20 in

5 in

Question 13 of 25

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

30

50

20

70

Question 14 of 25

15. 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 15 of 25

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

90

100

80

75

Question 16 of 25

17. Electric signs and outline lighting systems must be _______ or more above areas accessible to vehicles unless protected from physical damage.

10 ft

14 ft

20 ft

9 ft

Question 17 of 25

18. Which of the following shall not be located over the steps of a stairway?

Switches controlling luminaires

Junction boxes

General-use receptacles

Overcurrent devices

Question 18 of 25

19. Circuit breakers used as switches, and switches containing fuses, shall be in a location so that they can be operated from a readily accessible place, and must be placed so that when the center of the grip of the operating handle of the circuit breaker or switch is in it's highest position, it is _______ or less above the working platform or floor. Exceptions ignored.

7 feet, 4 inches

2 feet, 8 inches

3 feet, 6 inches

6 feet, 7 inches

Question 19 of 25

20. Auxiliary gutters made of sheet metal must be secured and supported at intervals of ft. or less along their entire length.

3 feet

4 feet

5 feet

6 feet

Question 20 of 25

21. 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.

7000

5000

4000

6000

Question 21 of 25

22. In no case shall both branch and feeder circuits exceed what percentage of voltage drop?

10

5

4

3

Question 22 of 25

23. In a dwelling unit where a 125-volt, 15- or 20-ampere receptacle is located under the counter for an in-sink waste disposer, the receptacle must be provided with _____.

both AFCI and GFCI protection

AFCI protection only

neither AFCI nor GFCI protection

GFCI protection only

Question 23 of 25

24. Foyers that are not part of a hallway and that have an area that is greater than ____ shall have a receptacle(s) located in each wall space ____ ft or more in width and unbroken by doorways, floor-to-ceiling windows, and similar openings.

60 square ft, 6

50 square ft, 3

50 square ft, 6

60 square ft, 3

Question 24 of 25

25. 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.

False

True

Question 25 of 25

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