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Flash Cards Practice

1. Receptacles installed in the kitchen of dwelling units to serve countertop surfaces shall be supplied by not less than ____ small appliance branch circuit(s).

Question 1 of 25

2. What is the minimum size of a rectangular manhole?

Question 2 of 25

3. A single electrode consisting of a rod, pipe, or plate that does not have a resistance to ground of ________ or less shall be augmented by one additional electrode.

Question 3 of 25

4. Receptacles are not allowed to be installed horizontally.

Question 4 of 25

5. What is the maximum continuous load for 18 AWG copper?

Question 5 of 25

6. Overhead service-drop conductors shall have a vertical clearance if not less than _________ above the roof surface.

Question 6 of 25

7. Where a cable or race-way -type wiring method is installed through bored holes in joist , rafters, or wood members, holes shall be bores so that the edge of the hole is not less than _______ from the nearest edge of the wood member.

Question 7 of 25

8. Generally, receptacles are required to be ______ ft. or more from the inside walls of a pool.

Question 8 of 25

9. If an outlet box is designed to support ceiling suspended (paddle) fans weighing more than ______, then the maximum weight to be supported shall be included in the required marking.

Question 9 of 25

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

Question 10 of 25

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

Question 11 of 25

12. 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 12 of 25

13. 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 13 of 25

14. Service-entrance cables shall be supported by straps or other approved means within _______ inches of every service head, goose-neck, or connection to a raceway or enclosure.

Question 14 of 25

15. Circuit breakers used as switches in 120 volt and 277 volt high-intensity lighting shall be marked.

Question 15 of 25

16. What is the smallest size grounding conductor allowed for grounding the structural reinforcing steel of a swimming pool?

Question 16 of 25

17. Plug Edison-Base fuses shall be classified at not over 125 volts and ______ amps and below.

Question 17 of 25

18. In dwelling units, hallways of _______ feet or more in length shall have at least one receptacle.

Question 18 of 25

19. 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?

Question 19 of 25

20. Cord and plug type equipment fastened in place shall not exceed what percentage of the branch circuit ampere rating?

Question 20 of 25

21. Receptacles that are an integral part of ____ shall not be counted as one of the required receptacle outlets in a dwelling unit.

Question 21 of 25

22. Where conductors supply continuous loads the conductor shall have an ampacity rating not less than what percentage?

Question 22 of 25

23. Thermal insulation shall not be installed above a recessed luminaire (fixture) or within _______ inches of the recessed luminaires (fixtures) enclosure, wiring compartment, or ballast unless it is identified for contact within insulation, Type IC.

Question 23 of 25

24. 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 24 of 25

25. How far must the separation be between any light, power, or Class 1 conductors or radio and television conductors, and underground antenna conductors for radio and television receiving equipment?

Question 25 of 25


 

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