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1. Circuit breakers shall open all grounded conductors.

False

True

Question 1 of 25

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

7

6

5

10

Question 2 of 25

3. 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.

5-1/2 feet

6-1/2 feet

7-1/2 feet

2-1/2 feet

Question 3 of 25

4. The minimum underground service entrance conductor in copper is _____.

8

1

10

6

Question 4 of 25

5. There shall be no more than _________ disconnects per supply grouped in any one location.

6

5

9

7

Question 5 of 25

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

4 feet

5 feet

6 feet

3 feet

Question 6 of 25

7. 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.

13 inches

10 inches

11 inches

12 inches

Question 7 of 25

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

16 awg

14 awg

12 awg

10 awg

Question 8 of 25

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

20 in

10 in

5 in

12 in

Question 9 of 25

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

9 feet

8 feet

6 feet

7 feet

Question 10 of 25

11. In a dwelling unit, a receptacle outlet shall be installed at each kitchen wall countertop space ____ in. or wider.

36

12

24

48

Question 11 of 25

12. 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.

1-1/6

1-1/4

1-1/3

1-1/5

Question 12 of 25

13. 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 13 of 25

14. For a dwelling with 2,600 square feet of habitable space, what is the required minimum number of 115-ampere, 120-volt, general lighting branch circuits?

5

2

3

8

Question 14 of 25

15. 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.

60 percent

70 percent

90 percent

80 percent

Question 15 of 25

16. Over head conductors for festoon lighting shall not be smaller than ________ AWG unless the conductors are supported by messenger wires.

12 AWG

11 AWG

15 AWG

10 AWG

Question 16 of 25

17. 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 ampere

14 ampere

16 ampere

13 ampere

Question 17 of 25

18. Direct burial cables or conductors shall have a minimum cover of __________ to finishes grade.

30 inches

34 inches

24 inches

20 inches

Question 18 of 25

19. Service-entrance cables shall be supported by straps or other approved means within _______ of every service head, goose-neck, or connection.

11 inches

13 inches

10 inches

12 inches

Question 19 of 25

20. True or False: Permissive rules of this code are those that identify actions that are allowed but not required, are normally used to describe options or alternative methods, and are characterized by the use of the terms shall be permitted or shall not be required.

True

False

Question 20 of 25

21. Branch circuit ratings are identified as circuits under what amperage?

100

20

60

50

Question 21 of 25

22. A 20 ampere branch circuit is permitted supply lighting units together with utilization equipment in all of the following situations except:

if the utilization equipment is cord-and-plug connected.

if the utilization equipment is fastened in place.

where the 20-ampere circuit is a small-appliance branch circuit

where the rating of any one cord-and-plug-connected utilization equipment not fastened in place does not exceed 80 percent of the branch-circuit rating.

Question 22 of 25

23. 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.

13

12

10

11

Question 23 of 25

24. Receptacle outlets in a dwelling unit shall not serve as one of the required outlets if located more than ____ ft ____ in. from the floor

5,6

4,6

6,6

7,6

Question 24 of 25

25. The lighting demand factor of the first 3000 VA or less in dwelling units is ______ percent.

90

100

70

80

Question 25 of 25

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