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Electrician's Licensing Exam
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Electrician's Licensing Exam
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25 Questions

1. On a 200-amp service, the electrician should use _____ or _____ size grounded conductor in the service cable.

2. What new code is needed for protection in all habitable spaces?

3. Per NEC Article 410, luminaires may mount on drop-ceiling tiles. (True or False)

4. Explain the proper way to ground a subpanel in the same building.

5. Per NEC 450.3, when a transformer is enclosed, install _____ fuses at the transformer's primary.

6. NEC Articles _____ and _____ covers metallic and non-metallic raceways in buildings.

7. A voltage of 1V applied across a 1ohm resistance produces a 1amp current. If the voltage is doubled and the resistance is halved, the current does what?

8. _____ determines what size ground wire used on a service.

9. The most important aspect of becoming an electrician is learning about _____.

10. Electricians may use rebar as a grounding means. (True or False)

11. NEC Chapter _____ specifies conduit fill requirements for fiber-optic cabling.

12. A tree over 50 ft. high may be used as an overhead service support for a single-story residence only. (True or False)

13. NEC Chapters 1-4 governs basic practices in effect in hazardous areas, except as modified by specific requirements outlined in NEC Chapter _____.

14. A circuit has a source of 10V and a resistance of 2hm. A fuse in this circuit should have what value?

15. The '3-ft. rule' for clearances around things like control panels is adequate. (True or False)

16. Open conductors belonging to separate circuits must be separated by?

17. Electricians must use a(n) _____ to properly connect number 4 copper to a ground rod.

18. ______ are the subject of NEC Section 680-20.

19. How does an NEC violation affect the occupancy of an existing installation?

20. _____ and ______ are two types of electrical faults.

21. Which NEC guidelines guarantee the best workmanship and safest installations possible.

22. A transformer has a voltage ratio of 8:1 and an input of 120V. What is the output Voltage?

23. Name 3 situations AFCI protection is required.

24. Resistance is generally used to convert energy from one form to another. (True or False)

25. A metal fence should be attached to a ground rod?

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