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Flash Cards Practice

1. Service -entrance cables shall be supported at intervals not exceeding _______ inches.

Question 1 of 25

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

Question 2 of 25

3. For over 1000 volts, nominal what is the minimum size copper conductor in a cable?

Question 3 of 25

4. 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 4 of 25

5. 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 5 of 25

6. Receptacles are not allowed to be installed horizontally.

Question 6 of 25

7. Receptacles shall not be installed in a _________ position in countertop surfaces or work surfaces.

Question 7 of 25

8. At least ________ of free conductor shall be left at each outlet, junction, and switch point for splices or the connections of luminaries (fixtures) or devices.

Question 8 of 25

9. Receptacles installed in a kitchen to serve counter-top surfaces shall be supplied by not fewer than _______ small-appliance branch circuits.

Question 9 of 25

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

Question 10 of 25

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

Question 11 of 25

12. Nonmetallic-sheathed cable shall be secured by staples, cable ties, straps, hangers or similar fittings within _______ inches of every cabinet, box or fitting.

Question 12 of 25

13. Final spans to buildings shall be permitted to be attached to the building, but they shall be kept not less than _______ feet from windows that are designed to be opened.

Question 13 of 25

14. Single-conductor cable such as _____ and single-conductor cable listed and identified as solar photovoltaic (PV) wire are permitted for use in PV source circuits within the PV array.

Question 14 of 25

15. What is the minimum size conductor for 20A branch circuit?

Question 15 of 25

16. In regard to a commercial building, where a service-entrance conduit having a length of six (6) feet contains four (4) size 2 AWG THWN insulated copper current-carrying conductors, each of the conductors have an allowable ampacity of _____.

Question 16 of 25

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

Question 17 of 25

18. From the inside walls of an indoor installed spa or hot tub to the wall switches, what is the minimum distance?

Question 18 of 25

19. Plug fuses of the Edison-base type shall be classified at not over 125 volts and ________ and below.

Question 19 of 25

20. Final spans to buildings shall be permitted to be attached to the building, but they shall be kept not less than _______ feet from windows that are designed to be opened.

Question 20 of 25

21. 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 21 of 25

22. General lighting in dwelling units is required to have a unit load of at least _______ VA.

Question 22 of 25

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

Question 23 of 25

24. 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 24 of 25

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

Question 25 of 25


 

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