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Flash Cards Practice

1. In each dwelling unit, the load shall be computed at ________ volt-amperes for each 2-wire small-appliance branch circuit required.

Question 1 of 25

2. Lighting systems for fountains, pools, spas, and similar locations must be installed _______ or more horizontally from the nearest water's edge unless Article 680 permits otherwise.

Question 2 of 25

3. 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 3 of 25

4. In front of electric equipment, the working space width must be at least ______, or the width of the equipment, whichever is greater.

Question 4 of 25

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

Question 5 of 25

6. For multi-conductor or multiplexed single conductor cables having individually shielded conductors, the minimum bending radius is _________ the diameter of the individually shielded conductors or 7 times the overall diameter, whichever is greater.

Question 6 of 25

7. When conductors are installed under at least _______ in. of concrete beneath a building or other structure, they shall be considered outside of a building or other structure.

Question 7 of 25

8. What is the minimum ampacity of the branch-circuit conductors used to supply a 7-1/2 hp, 240 volts, single-phase induction type, ca motor for continuous duty application?

Question 8 of 25

9. 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 9 of 25

10. Conductors, including splices and taps, shall not fill gutters more than ______ percent of it's area.

Question 10 of 25

11. What is the minimum ampacity of the branch-circuit conductors used to supply a 7-1/2 hp, 240 volts, single-phase induction type, ca motor for continuous duty application?

Question 11 of 25

12. Surface-mounted incandescent luminaries (fixtures) installed on the wall above the door or on the ceiling in clothes closets shall have a minimum clearance of ______inches between the luminaire and the nearest point of storage.

Question 12 of 25

13. Over head conductors for festoon lighting shall not be smaller than ________ AWG unless the conductors are supported by messenger wires.

Question 13 of 25

14. Service-entrance cables shall be supported by straps or other approved means at intervals not exceeding _______ inches.

Question 14 of 25

15. A receptacle outlet shall be installed at each wall counter-top space that is _______ inches or wider.

Question 15 of 25

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

Question 16 of 25

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

Question 17 of 25

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

Question 18 of 25

19. Snap switches must not be ganged or grouped in enclosures with other receptacles, snap switches, or similar devices, unless they are placed so that voltage is _______volts or less between adjacent devices, or unless placed in enclosures with securely installed, identified barriers between adjacent devices.

Question 19 of 25

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

Question 20 of 25

21. When conductors are installed under at least _______ in. of concrete beneath a building or other structure, they shall be considered outside of a building or other structure.

Question 21 of 25

22. 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 22 of 25

23. Circuit breakers used as switches, and switches containing fuses, shall be in a location so that they can be operated from a readily accessible place, and must be placed so that when the center of the grip of the operating handle of the circuit breaker or switch is in it's highest position, it is _______ or less above the working platform or floor. Exceptions ignored.

Question 23 of 25

24. 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 24 of 25

25. 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 25 of 25


 

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