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Flash Cards Practice

1. Which of the following is not a standard ampere rating for a fuse?

Question 1 of 25

2. In walls or ceilings with a surface of non-combustible material, boxes shall be installed so that the front edge of the box will not be set back of the finished surface more than ____ inch.

Question 2 of 25

3. For installations to supply only limited loads of a single branch circuit, the branch circuit disconnecting means shall have a rating of not less than _________.

Question 3 of 25

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

Question 4 of 25

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

Question 5 of 25

6. EMT shall be securely fastened in place at least every _______ feet.

Question 6 of 25

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

Question 7 of 25

8. Rod and pipe electrodes shall not be less than ______ in length.

Question 8 of 25

9. Where a 125-volt, 15-ampere receptacle is connected to a 120-volt branch circuit supplying two (2) or more receptacles or outlets, the maximum permitted cord-and-plug-connected load to the receptacle is _____.

Question 9 of 25

10. A general-use receptacle outlet must be provided in any dwelling unit bedroom wall that is at least ______ wide.

Question 10 of 25

11. In each dwelling unit, the small appliance load will be calculated at __________ for each 2-wire small appliance branch circuit as determined by 210.11 (1).

Question 11 of 25

12. The length of a pull box containing conductors of size 4 AWG and larger shall not be less than _____ times the trade diameter of the largest conduit entering the box when a straight pull of the conductors is to be made.

Question 12 of 25

13. In each dwelling unit, the load shall be computed at __________ volt-amperes for each 2-wire small-appliance branch circuit required.

Question 13 of 25

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

Question 14 of 25

15. Fixtures wires shall not be smaller than ________ AWG.

Question 15 of 25

16. EMT smaller than ______ shall not be used.

Question 16 of 25

17. 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?

Question 17 of 25

18. What is the minimum rating for a service disconnecting means when supplied with a 120/240-volt, 3-wire, single phase service for a one- family dwelling?

Question 18 of 25

19. A load of not less than _______ volt-amperes shall be included for each 2-wire laundry branch circuit installed as required.

Question 19 of 25

20. In a store, ground fault circuit interrupter protection for personnel is required for 15 or 20 amperes, 125-volt, single-phase receptacles installed at which of the following locations?

Question 20 of 25

21. Where a branch circuit supplies continuous loads or any combination of continuous and non- continuous loads, the minimum branch-circuit conductor size shall have an allowable ampacity not less than the non-continuous load plus ______ of the continuous load.

Question 21 of 25

22. Based on the largest conductor connected to the switch, for the purpose of determining conductor fill in a device box, how many conductor(s) is a three-way switch counted as equal to?

Question 22 of 25

23. At least one receptacle outlet shall be installed at each peninsular counter-top space with a short dimension of _________ inches or greater.

Question 23 of 25

24. 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 24 of 25

25. What is the minimum size for single conductors in cable tray as a service entrance.

Question 25 of 25


 

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