1. A 240 V circuit has a current flow of 20 A. How many watts of heat are produced?

20 W

0.08 W

4800 W

120 W

2. Do you have any comments about this quiz?

3. Boxes intended to enclose devices supplied by a 14 AWG conductor shall have an internal depth of not less than _____ in.

1 1/4″

1/2″

15/16″

3/4″

4. In other than dwelling units, in computing branch circuit loads, a fixed multi-outlet assembly shall be computed at 180 VA for each _____ where appliances are unlikely to be used simultaneously.

2 feet

5 feet

6 feet

1 foot

5. The ungrounded and grounded conductors of each _____ branch circuit shall be grouped by cable ties or similar means in at least one location within the panelboard or other point of origination.

individual

multiwire

appliance

general-purpose

6. Conductors for branch circuits as defined in Article 100, sized to prevent a voltage drop exceeding _____ at the farthest outlet will provide for reasonable efficiency.

7. For other than a totally enclosed switchboard, a space not less than _____ shall be provided between the top of the switchboard and any combustible ceiling, unless a non-combustible shield is provided between the switchboard and the ceiling.

1 foot

4 feet

2 feet

3 feet

8. Where the conductor material is not specified in the code, you should assume _____.

copper-clad aluminum

aluminum

copper

steel

9. While running non-metallic sheathed cable, the cable shall be supported within _____ of a metal junction box.

12 inches

3 feet

4 1/2 feet

18 inches

10. Metal boxes of sheet steel over 100 inches cubed shall be constructed of metal that is not less than _____ inches thick uncoated.

0.125

0.0625

0.038

0.053

Frank’s Test Quiz

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