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Flash Cards Practice

1. 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 1 of 25

2. 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 2 of 25

3. 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 3 of 25

4. Receptacle outlets shall be installed so that there is no point on the wall greater than ____ ft from a receptacle outlet in a dwelling unit.

Question 4 of 25

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

Question 5 of 25

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

Question 6 of 25

7. 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 7 of 25

8. Where conduits enter a switchboard or floor -standing panelboard at the bottom, the conduit including their end fittings, shall not rise more than _____ inches above the bottom of the enclosure.

Question 8 of 25

9. In dwelling units, receptacle outlets installed for countertop surfaces, must be located above, but NOT more than _____ above the countertop or work surface.

Question 9 of 25

10. A general-use receptacle outlet must be provided in any dwelling unit bedroom wall that is at least ______ wide.

Question 10 of 25

11. 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 11 of 25

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

Question 12 of 25

13. 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 13 of 25

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

Question 14 of 25

15. The load for household electric clothes dryers in a dwelling unit(s) shall be _______ watts (volt-amperes) or the nameplate rating, whichever is larger, for each dryer served.

Question 15 of 25

16. In dwelling units, hallways of _______ feet or more in length shall have at least one receptacle.

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. What is the maximum continuous load for 12 AWG copper?

Question 18 of 25

19. What is the maximum ampacity of a 20 amp breaker?

Question 19 of 25

20. In a multi-family dwelling unit, what is the demand factor percentage for 9 household electric clothes dryers?

Question 20 of 25

21. Flexible metal conduit or liquid tight flexible metal conduit not exceeding ______feet in length shall be permitted to be employed for raceway connection to a motor terminal enclosure.

Question 21 of 25

22. 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 22 of 25

23. The total rating of utilization equipment fastened in place shall not exceed ____ percent of the 15 or 20 ampere branch-circuit rating.

Question 23 of 25

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

Question 24 of 25

25. A minimum of ____ 20 amp, ____ small-appliance circuits shall supply receptacle outlets located in the kitchen, pantry, breakfast room, and dining room in a dwelling unit.

Question 25 of 25


 

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