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Flash Cards Practice

1. If a panel is straight rated 480v what type of rating(s) are the breakers required to have?

Question 1 of 25

2. There shall be no more than _________ disconnects per supply grouped in any one location.

Question 2 of 25

3. Which of the following is not a standard ampere rating for a circuit breaker?

Question 3 of 25

4. Nonmetallic-sheathed cable shall be secured by staples, cable ties, straps, hangers or similar fittings within _______ inches of every cabinet, box or fitting.

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. A load of not less than _______ volt-amperes shall be included for each 2-wire laundry branch circuit installed as required.

Question 6 of 25

7. In each attached garage and in each detached garage with electric power, at least one receptacle outlet shall be installed in each vehicle bay and not more than ______.

Question 7 of 25

8. Show windows must be calculated either at 200 volt-amps per _________ of show window, or the unit load per outlet as required in other provisions of article 220.14.

Question 8 of 25

9. What is the minimum size conductor for 15A branch circuit?

Question 9 of 25

10. For the workspace in front of a 120/240-volt, single-phase, 400 amperes rated disconnect switch located in a commercial occupancy, what is the minimum required height?

Question 10 of 25

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

Question 11 of 25

12. The total marked rating of a cord-and-attachment-plug-connected room air conditioner shall not exceed _____ percent of the rating of a branch circuit where no other loads are supplied.

Question 12 of 25

13. For a size 6 AWG THHN copper conductor connected to a fusible disconnect switch with terminals rated for 75 degrees Celsius, what is the maximum current load, in amps?

Question 13 of 25

14. For a size 6 AWG THHN copper conductor connected to a fusible disconnect switch with terminals rated for 75 degrees Celsius, what is the maximum current load, in amps?

Question 14 of 25

15. 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 15 of 25

16. Overhead conductors for festoon lighting shall not be smaller than ________ unless the conductors are supported by messenger wires.

Question 16 of 25

17. Receptacles shall not be installed in a _________ position in countertop surfaces or work surfaces.

Question 17 of 25

18. 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 18 of 25

19. 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 19 of 25

20. Outlet boxes that do not enclose devices or utilization equipment shall have a minimum internal depth of _________ inch.

Question 20 of 25

21. Where a branch circuit supplies continuous loads or any combination of continuous and non-continuous, the rating of the over-current device shall not be less than the noncontinuous load plus _______ of the continuous load.

Question 21 of 25

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

Question 22 of 25

23. 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 23 of 25

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

Question 24 of 25

25. 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 25 of 25


 

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