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Flash Cards Practice

1. What is the minimum watts (VA), other than name plate rating (whichever is larger) clothes dryers are to be calculated at when doing residential feeder and service calculations?

Question 1 of 25

2. Where a permanently installed outdoor swimming pool is located on residential or commercial properties, at least one (1) single-phase, 125-volt, 15- or 20-ampere receptacle shall be located not less than _____ from and not more than _____ from the inside wall of the swimming pool.

Question 2 of 25

3. 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 3 of 25

4. 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 4 of 25

5. 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 5 of 25

6. Connection by means of wire-binding screws or studs and nuts that have upturned lugs or the equivalent shall be permitted for _________ AWG or smaller conductors.

Question 6 of 25

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

Question 7 of 25

8. The lighting demand factor of the first 3000 VA or less in dwelling units is ______ percent.

Question 8 of 25

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

Question 9 of 25

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

Question 10 of 25

11. At least one receptacle outlet shall be installed at each peninsular counter-top space with a long dimension of _______ inches or greater.

Question 11 of 25

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

Question 12 of 25

13. Which one of the following listed circuit breakers is NOT a standard ampere rating?

Question 13 of 25

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

Question 14 of 25

15. Generally, receptacles are required to be ______ feet or more from the inside walls of a pool.

Question 15 of 25

16. Overhead service-drop conductors shall have a vertical clearance if not less than _________ above the roof surface.

Question 16 of 25

17. Interior stairs have switches at each end, where the stairway between floor levels has ________ risers or more.

Question 17 of 25

18. 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 18 of 25

19. What is the minimum ground cover required when installing a 20-ampere, 120-volt, GFCI protected, direct - buried branch circuit, using Type UF cable to supply landscape lighting for a residence.

Question 19 of 25

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

Question 20 of 25

21. What is generally the maximum distance above the counter-top for receptacle outlets in dwelling unit kitchens?

Question 21 of 25

22. Circuits exceeding ____ volts, nominal, between conductors shall be permitted to supply utilization equipment in installations where conditions of maintenance and supervision ensure that only qualified persons service the installation.

Question 22 of 25

23. For dwelling units, at least one receptacle outlet accessible at grade level and not more than ________ feet above grade shall be installed at the front and back of each dwelling.

Question 23 of 25

24. The length of a pull box containing conductors of size 4 AWG and larger shall not be less than _____ times the trade diameter of the largest conduit entering the box when a straight pull of the conductors is to be made.

Question 24 of 25

25. When using rod and pipe electrodes, where rock bottom is encountered, he electrode shall be driven at an oblique angle not to exceed ________ from the vertical.

Question 25 of 25


 

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