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1. When conductors are installed under at least _______ in. of concrete beneath a building or other structure, they shall be considered outside of a building or other structure.

2

6

4

5

Question 1 of 25

2. 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?

1-1/2 inch

1-1/3 inch

1-1/6 inch

1-1/4 inch

Question 2 of 25

3. 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.

13 times

11 times

10 times

12 times

Question 3 of 25

4. Lighting systems for fountains, pools, spas, and similar locations must be installed _______ or more horizontally from the nearest water's edge unless Article 680 permits otherwise.

7 m

5 m

3 m

10 m

Question 4 of 25

5. 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

THHN

UF

USE-2

Question 5 of 25

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

15 AWG

10 AWG

12 AWG

11 AWG

Question 6 of 25

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

12 inches

10 inches

11 inches

13 inches

Question 7 of 25

8. For a fixed or stationary electric sign installed in a fountain, the disconnecting means must be at least how far horizontally from the inside wall of the fountain?

5'

7'

10'

2'

Question 8 of 25

9. What total minimum volt-amperes (VA) shall be included when calculating the demand load for small-appliance and laundry circuit loads a one-family dwelling?

5,300

3,400

4,500

6,400

Question 9 of 25

10. Receptacle outlets in a dwelling unit shall be installed so that there is not point on the wall greater than ____ ft from a receptacle.

12

8

10

6

Question 10 of 25

11. The area around motor fuel dispensing pumps at a service station is considered a hazardous location. How far horizontally from the enclosure of the outdoor motor fuel dispensing pumps does this extend?

18 feet

19 feet

20 feet

21 feet

Question 11 of 25

12. 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.

30

50

40

20

Question 12 of 25

13. Continuous loads are loads that are expected to run for how many hours?

5

1

3

2

Question 13 of 25

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

7

13

12

6

Question 14 of 25

15. 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.

8 feet

7 feet

6 feet

5 feet

Question 15 of 25

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

100

80

200

90

Question 16 of 25

17. 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.

2-1/2 feet

7-1/2 feet

6-1/2 feet

5-1/2 feet

Question 17 of 25

18. 480 Volt lighting in a parking lot is required to be at what height?

24'

18'

20'

22'

Question 18 of 25

19. For placement of receptacle outlets in a dwelling unit, a wall space shall include any space ____ ft or more in width (including space measured around corners) and unbroken along the floor line by doorways and similar openings, fireplaces, and fixed cabinets.

6

2

4

3

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.

5-1/2

1-1/2

4-1/2

3-1/2

Question 20 of 25

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

9 ft

10 ft

14 ft

20 ft

Question 21 of 25

22. 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

125 feet

75 feet

100 feet

Question 22 of 25

23. 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

7 feet

3 feet

2 feet

Question 23 of 25

24. 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?

8

5

3

2

Question 24 of 25

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

70

90

80

100

Question 25 of 25

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