Electrical Wiring: Residental - With Plans (Paperback) Package
18th Edition
ISBN: 9781305416376
Author: MULLIN
Publisher: Cengage
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Chapter 21.1, Problem 10R
To determine
State whether the receptacle must be GFCI protected or not when it installed under the kitchen sink for plugging in the food waste disposer.
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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.
A device used in kitchen serving hotels dining rooms club houses and restaurants is__________.
a.) Grease basin b.) Yard basin c.) Garage basin d.) Oil catch basin
An electrician installs five 3 AWG THWN copper current-carrying conductors in a raceway located in a garage. The garage area is subject to an ambient temperature of 100°F. All terminations are rated at 75°C.Ampacity: __________ Maximum Fuse or Circuit Breaker Size: __________.(NO CHAT GPT, ONLY NEAT HAND WRITTEN SOLUTION PLEASE.)
Chapter 21 Solutions
Electrical Wiring: Residental - With Plans (Paperback) Package
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- 2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.arrow_forwardIdentification All answers must be in accordance to NEC of the Philippines 1. What is the minimum gauge size for aluminum overhead service drop conductor. 2. Minimum distance between the roofing structure and an overhead conductor 3. How high from the roadway should a service entrance conductor be to safely allow traffic flow 4. A load where maximum current is expected to continue for three hours or more. 5.Comprises the entire circuit including the outlet receptacles and other wiring devices.arrow_forwardA means shall be provided in each metal box over 100 cubic inches for the connection of an equipment grounding conductor. The means shall be permitted to be ______. a tapped hole the cover screw III. a screw used to mount the box (a.) I only (c.) I & II only (b.) II only (d.) I, II or IIIarrow_forward
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