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Flash Cards Practice

1. Overhead service-drop conductors shall not be smaller than ________ copper.

Question 1 of 25

2. Auxiliary gutters made of sheet metal must be secured and supported at intervals of ft. or less along their entire length.

Question 2 of 25

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

Question 3 of 25

4. Over head spans of open conductors and open multi-conductor shall be ________ over residential property and driveways where the voltage does not exceed 300 volts to ground.

Question 4 of 25

5. A bonding jumper not smaller than _______ AWG copper or equivalent must be connected between the radio and television equipment grounding electrode and the power grounding electrode system when they are separate.

Question 5 of 25

6. A clear zone distance from the top of a bathtub rim or a shower stall threshold must be at least _____ ft. vertically for any parts of chain-, cable-or cord-suspended luminaries, cord-connected luminaries (fixtures), lighting track, pendent, or ceiling-suspended (paddle) fans.

Question 6 of 25

7. 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 7 of 25

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

Question 8 of 25

9. 480 Volt lighting in a parking lot is required to be at what height?

Question 9 of 25

10. For installations consisting of not more than two 2-wire branch circuits, the feeder or branch - circuit disconnecting means shall have a rating of not less than __________.

Question 10 of 25

11. Where used outside, aluminum or copper-clad aluminum grounding electrode conductors shall not be terminated within _________ of the earth.

Question 11 of 25

12. Which of the following is not a standard ampere rating for a fuse?

Question 12 of 25

13. Generally, service conductors installed as open conductors must have a minimum clearance from balconies, doors, porches, and windows that are designed to be opened of:

Question 13 of 25

14. The National Electrical Code requires that branch-circuit conductors shall have an ampacity of not less than the rating of the branch circuit, if it pertains to conductors of:

Question 14 of 25

15. Receptacle outlets in a dwelling unit shall not serve as one of the required outlets if located more than ____ ft ____ in. from the floor

Question 15 of 25

16. 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 16 of 25

17. 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 17 of 25

18. 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 not less than ________ high at each end of the working space.

Question 18 of 25

19. The area around motor fuel dispensing pumps at a service station is considered a hazardous location. How far horizontally from the enclosure of the outdoor motor fuel dispensing pumps does this extend?

Question 19 of 25

20. 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 20 of 25

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

Question 21 of 25

22. The loads for an electric sign or outline lightning system should be computed at a minimum of _________ volt-amps when sizing the service calculation.

Question 22 of 25

23. In a PV system, a ________ is a device meant to change direct-current input to alternating-current output.

Question 23 of 25

24. What is the minimum clearance that must be maintained between electrical metallic tubing (EMT) and the surface of the roof decking when it is installed under metal-corrugated sheet roof decking?

Question 24 of 25

25. Installation of rigid mental conduit (RMC) is required to be fastened within what minimum distance from a junction box, panel board, or cabinet, where structural members readily permit fastening?

Question 25 of 25


 

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