Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 30, Problem 15R
To determine
Mention how the circuit feeding the receptacle outlet located within 5 ft of the tub is protected.
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QUESTION 5
A duplex receptacle is installed on a 4-inch square raised metal cover and mounted on a 4-inch square metal box.If the grounding terminal of the receptacle is connected to the grounded metal box, which of the following requirements would also apply to the installation of the duplex receptacle?
a
It must be secured by at least two screws.
b
The single 6/32 screw holding it in the cover must be tight.
c
It must be secured directly to the 4 inch square box.
d
It is not permitted to be installed in raised covers.
If a recessed luminary without an integral junction boxes installed what extra wiring must be provided
QUESTION 8
Enclosures that are not over 100 cubic inches in size and which have two conduits supported within three feet on either side of the enclosure and the enclosure does not contain devices or support fixtures shall not be required to have the enclosure supported if the conduits are _____.
a
installed with locknuts inside and outside enclosure
b
shoulders of fittings outside and locknuts inside the box
c
rigid nonmetallic conduits
d
threaded into hubs identified for the purpose
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