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Flash Cards Practice

1. Covered conductors are recognized by the Code

Question 1 of 25

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

Question 2 of 25

3. For over 1000 volts, nominal what is the minimum size copper conductor in a cable?

Question 3 of 25

4. A bonding jumper not smaller than _______ AWG copper or equivalent must be connected between the radio and television equipment grounding electrode and the power grounding electrode system when they are separate.

Question 4 of 25

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

Question 5 of 25

6. If a warehouse uses mercury vapor lighting in the storage area, and the storage area is 40,500 square feet of space, what is the minimum lighting load?

Question 6 of 25

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

Question 7 of 25

8. What is the maximum continuous load for 12 AWG copper?

Question 8 of 25

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

Question 9 of 25

10. Aluminum, copper-clad aluminum, or copper conductors, for each phase, polarity, neutral, or grounded circuit shall be permitted to be connected in parallel only in sizes __________ and larger.

Question 10 of 25

11. What is the minimum length/space of a wall?

Question 11 of 25

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

Question 12 of 25

13. 277 Volt lighting in a tunnel is required to no be less than _____.

Question 13 of 25

14. What is the maximum square footage an office building could have with a calculated lighting load of 24,500 VA.

Question 14 of 25

15. Installation of rigid mental conduit (RMC) is required to be fastened within what minimum distance from a junction box, panel board, or cabinet, where structural members readily permit fastening?

Question 15 of 25

16. 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?

Question 16 of 25

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

Question 17 of 25

18. 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?

Question 18 of 25

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

Question 19 of 25

20. What is the minimum volt-amps (VA) per outlet for general-purpose receptacle loads, before taking demand factors into consideration for commercial buildings?

Question 20 of 25

21. The lighting demand factor in hospitals for the _________ VA is 20%.

Question 21 of 25

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

Question 22 of 25

23. Receptacle outlets are permitted to be mounted no more than ____ in. below the countertop in a dwelling unit for the physically impaired

Question 23 of 25

24. Unless they are within _______ of the wall, receptacle outlets in floors may not be counted as a part of the minimum required number of receptacle outlets.

Question 24 of 25

25. Plug fuses of the Edison-base type shall be classified at not over 125 volts and ________ and below.

Question 25 of 25


 

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