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Flash Cards Practice

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

Question 1 of 25

2. The area around motor fuel dispensing pumps at a service station is considered a hazardous location. How far horizontally from the enclosure of the outdoor motor fuel dispensing pumps does this extend?

Question 2 of 25

3. If a warehouse area is 10,000 square feet for storage and uses high pressure sodium lighting, what is the maximum lighting load?

Question 3 of 25

4. Branch circuit ratings are identified as circuits under what amperage?

Question 4 of 25

5. If a panel is slash rated 480/277v what type of rating(s) are the breakers required to have?

Question 5 of 25

6. The load for an electric sign or outline lighting system should be computed at a minimum of _______ volt-amps when sizing the service calculation.

Question 6 of 25

7. 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 7 of 25

8. 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 8 of 25

9. Circuit breakers shall clearly indicate whether they are on or off. In the up position a breaker shall be off.

Question 9 of 25

10. Receptacle outlets in a dwelling unit shall be installed so that there is not point on the wall greater than ____ ft from a receptacle.

Question 10 of 25

11. An insulated conductor that is intended for use as a grounded conductor where contained in a flexible cord shall be identified by what color?

Question 11 of 25

12. Circuit breakers used as switches in 120 volt and 277 volt fluorescent lighting shall be marked.

Question 12 of 25

13. An electrode encased by at least 2" of concrete shall be permitted to be 20' of base copper conductor not smaller than _________ AWG.

Question 13 of 25

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

Question 14 of 25

15. In hospital occupancies, the unit load for general lighting must be at least _________ VA per square foot.

Question 15 of 25

16. What is the minimum vertical clearance from final grade for open overhead service conductors up to 1000 volts over public driveways?

Question 16 of 25

17. 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 17 of 25

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

Question 18 of 25

19. In industrial establishments only, when a 200-ampere rated busway is tapped from a 600-ampere rated busway, what is the maximum permitted length of the 200-ampere busway where overcurrent protection is not provided for the 200-ampere busway?

Question 19 of 25

20. If only 1 conductor is used in a tube of EMT conduit, the total interior area that can be filled is no more than _________ percent.

Question 20 of 25

21. In general how many receptacles can be installed on a single 120V 20 amp circuit?

Question 21 of 25

22. Continuous loads are loads that are expected to run for how many hours?

Question 22 of 25

23. True or False: Permissive rules of this code are those that identify actions that are allowed but not required, are normally used to describe options or alternative methods, and are characterized by the use of the terms shall be permitted or shall not be required.

Question 23 of 25

24. Receptacle providing power for swimming pool recirculating pump motors must be GFCI protected, grounded, and must be at least how far from the inside walls of the pool?

Question 24 of 25

25. In a PV system, a ________ is a device meant to change direct-current input to alternating-current output.

Question 25 of 25


 

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