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Flash Cards Practice

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

Question 1 of 25

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

Question 2 of 25

3. True or false: If fire alarm cable is abandoned, the accessible portions must be removed.

Question 3 of 25

4. Fixture wires are allowed to be tapped to a branch circuit. What is the minimum size for a 20 amp circuit?

Question 4 of 25

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

Question 5 of 25

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

Question 6 of 25

7. One receptacle outlet shall be installed at an accessible location for the serving of heating, air-conditioning, and refrigeration within _________ feet and on the same level as the equipment.

Question 7 of 25

8. Covered conductors are recognized by the Code

Question 8 of 25

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

Question 9 of 25

10. For a fixed or stationary electric sign installed in a fountain, the disconnecting means must be at least how far horizontally from the inside wall of the fountain?

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. In each dwelling unit, if the small appliance load is subdivided between two or more feeders, the calculated load for each will include at least ________ for each 2-wire small appliance branch circuit.

Question 12 of 25

13. EMT smaller than ______ shall not be used.

Question 13 of 25

14. Flexible metal conduit or liquid tight flexible metal conduit not exceeding ______feet in length shall be permitted to be employed for raceway connection to a motor terminal enclosure.

Question 14 of 25

15. Where a 150 kVA, single-phase transformer having a secondary voltage of 120/240 is installed at a multi-family dwelling, the full-load current rating, in amperes, of the secondary is _____.

Question 15 of 25

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

Question 16 of 25

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

Question 17 of 25

18. True or false: If fire alarm cable is abandoned, the accessible portions must be removed.

Question 18 of 25

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

Question 19 of 25

20. 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 20 of 25

21. For equipment rated 1200 amperes or more and over 6 feet wide that contain over-current devices, there shall be one entrance to and egress from the required working space mot less than _______ wide at each end of the working space.

Question 21 of 25

22. 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 22 of 25

23. 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 23 of 25

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

Question 24 of 25

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

Question 25 of 25


 

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