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Flash Cards Practice

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

Question 1 of 25

2. What is the maximum rating allowed of any one cord-and-plug-connected appliance connected to a 20-ampere branch circuit?

Question 2 of 25

3. When a 20-ampere branch circuit serves a single receptacle outlet, the rating of the receptacle generally must be at least:

Question 3 of 25

4. Live parts of electrical equipment operating at ________ nominal shall be guarded against accidental contact.

Question 4 of 25

5. If more than 2 conductors are used in a tube of EMT conduit, the total interior area that can be filled is no more than _________ percent.

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. Final spans to buildings shall be permitted to be attaches to the building, but thy shall be kept not less than _______ from the windows that are designed to be opened.

Question 7 of 25

8. A grounded conductor is what color?

Question 8 of 25

9. What is the minimum va for a clothes dryer?

Question 9 of 25

10. Loads for convenience receptacle outlets shall be computed at not less than _______ volt-amperes for each single for each multiple receptacle on one yoke.

Question 10 of 25

11. 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 11 of 25

12. 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 12 of 25

13. Receptacle outlets are permitted to be mounted no more than ____ in. below the countertop in a dwelling unit for the physically impaired

Question 13 of 25

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

Question 14 of 25

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

Question 15 of 25

16. Which of the following shall not be located over the steps of a stairway?

Question 16 of 25

17. A mogul-based lamp holder installed on a 30-ampere branch circuit shall have a rating of at least ____ watts.

Question 17 of 25

18. Sinks located in areas other than kitchens where receptacles are installed within ________ of the outside edge of the sink, require GFCI protection.

Question 18 of 25

19. Where a branch circuit supplies continuous loads or any combination of continuous and non- continuous loads, the minimum branch-circuit conductor size shall have an allowable ampacity not less than the non-continuous load plus ______ of the continuous load.

Question 19 of 25

20. Overhead service -drop conductors shall have a vertical clearance of not less than _______ feet above the roof surface.

Question 20 of 25

21. LFMC must be fastened in place securely by approved means ________ inches or less of each box, cabinet, conduit body, or other conduit termination. Exceptions ignored.

Question 21 of 25

22. For installations to supply only limited loads of a single branch circuit, the branch circuit disconnecting means shall have a rating of not less than _________.

Question 22 of 25

23. 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 23 of 25

24. What is the minimum separation for over-head communications wires and cables at any point in the span from the supply service-drops of up to 750 volts?

Question 24 of 25

25. 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 25 of 25


 

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