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Flash Cards Practice

1. What is the minimum clearance over residential driveways of overhead spans of open conductors of up to 300 volts to ground.

Question 1 of 25

2. Receptacles are not allowed to be installed horizontally.

Question 2 of 25

3. For a dwelling with 2,600 square feet of habitable space, what is the required minimum number of 115-ampere, 120-volt, general lighting branch circuits?

Question 3 of 25

4. Trees can be used as supports for overhead conductors.

Question 4 of 25

5. Where conduits enter a switchboard or floor -standing panelboard at the bottom, the conduit including their end fittings, shall not rise more than _____ inches above the bottom of the enclosure.

Question 5 of 25

6. In locations other than dwelling units, a 40-ampere branch circuit shall be permitted to supply the following loads:

Question 6 of 25

7. A clear zone distance from the top of a bathtub rim or a shower stall threshold must be at least _____ ft. vertically for any parts of chain-, cable-or cord-suspended luminaries, cord-connected luminaries (fixtures), lighting track, pendent, or ceiling-suspended (paddle) fans.

Question 7 of 25

8. What is the minimum percentage of the maximum current rating for PV system overcurrent devices, as calculated in 690.8(A)?

Question 8 of 25

9. True or false: Surge arresters shall be permitted to be located indoors or outdoors.

Question 9 of 25

10. For a one-family dwelling, the feeder disconnecting means shall have a rating of not less than _________ amperes, 3-wire.

Question 10 of 25

11. For dwelling units, GFCI protection is required for all single-phase, 125-volt, 15- and 20-ampere receptacles installed within six (6) feet of the top inside edge of the bowl of sinks located in _____.

Question 11 of 25

12. 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 12 of 25

13. The total rating of utilization equipment fastened in place shall not exceed ____ percent of the 15 or 20 ampere branch-circuit rating.

Question 13 of 25

14. What total minimum volt-amperes (VA) shall be included when calculating the demand load for small-appliance and laundry circuit loads a one-family dwelling?

Question 14 of 25

15. True or False: The raceway fill limitations detailed in 300.17 will apply to coaxial cables.

Question 15 of 25

16. What is the minimum computed branch circuit load, in volt-amps, allowed by the NEC for a branch circuit serving an exterior electric sign, when calculating a building or structure's total load?

Question 16 of 25

17. 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 17 of 25

18. What is the minimum number of general-purpose receptacles required to be readily accessible when installed in sleeping room of dorms, or guest rooms of hotels and motels.

Question 18 of 25

19. What is the maximum cross-sectional value that conduit under 24 inches long may be filled?

Question 19 of 25

20. The minimum underground service entrance conductor in copper is _____.

Question 20 of 25

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

Question 21 of 25

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

Question 22 of 25

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

Question 23 of 25

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

Question 24 of 25

25. What is the minimum clearance over residential driveways of overhead spans of open conductors of up to 300 volts to ground.

Question 25 of 25


 

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