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Flash Cards Practice

1. Sinks located in areas other than kitchens where receptacles are installed within ________ of the outside edge of the sink, require GFCI protection.

Question 1 of 25

2. What is the minimum length, in feet, for rod and pipe ground electrodes made of specific materials?

Question 2 of 25

3. True or False: The NEC does NOT cover installations in ships, aircraft, or underground mines.

Question 3 of 25

4. 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 4 of 25

5. Overhead service-drop conductors shall not be smaller than ________ copper.

Question 5 of 25

6. 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.

Question 6 of 25

7. What is the maximum standard size over current protection device to protect an installed 40-gallon electric water heater with a nameplate rating of 4,500 watts at 240 volts, single phase?

Question 7 of 25

8. An insulated grounded conductor larger than _______ shall be permitted to be marked with white tape at the time of installation.

Question 8 of 25

9. What is the maximum ampacity of a 20 amp breaker?

Question 9 of 25

10. Where more than one, rod and pipe or plate, electrode are used each electrode of one grounding system shall not be less than _______ from any electrode of another grounding system.

Question 10 of 25

11. A receptacle outlet shall be installed at each wall counter-top space that is _______ inches or wider.

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. If a branch circuit served by 12 AWG conductors is protected by a 15-ampere circuit breaker, what kind of rating does it have?

Question 13 of 25

14. 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 14 of 25

15. 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.

Question 15 of 25

16. At least one receptacle outlet shall be installed for each peninsular countertop in a dwelling unit with a long dimension of ____ in. or greater and a short dimension of ____ in. or greater.

Question 16 of 25

17. Underground service entrance conductors are not permitted in _____.

Question 17 of 25

18. Breakers that are marked SWD are approved to control light fixtures of what type.

Question 18 of 25

19. A required 125-volt, 15- and 20-ampere receptacles in dwelling units shall be installed in any wall space _______ feet or more in width.

Question 19 of 25

20. 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.

Question 20 of 25

21. Unless it is necessary to supply pool equipment, underground wiring is not allowed under a pool or in an area less than _______ ft. horizontally from the inside wall of the pool.

Question 21 of 25

22. In no case shall the point of attachment for overhead service - drop conductors be less than ________ above the finished grade.

Question 22 of 25

23. 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 23 of 25

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

Question 24 of 25

25. For a size 6 AWG THHN copper conductor connected to a fusible disconnect switch with terminals rated for 75 degrees Celsius, what is the maximum current load, in amps?

Question 25 of 25


 

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