Electrical Wiring Residential
18th Edition
ISBN: 9781285170954
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 14, Problem 5R
To determine
Mention the size and type of the switch box for the receptacle outlet in the wall space leading to the bedroom hallway using the wiring method of nonmetallic-sheathed cable.
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A 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 III
An open in one of the heated rear window grid elements can be repaired by ______.
a.
pealing the heat grid off the glass with a heat gun and installing a new grid element
b.
applying a thin strip of a repair compound to the damaged area
c.
bridging the damaged area with rosin core solder
d.
replacing the window glass
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.
Chapter 14 Solutions
Electrical Wiring Residential
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- of p o How many conductors enter the ceiling fan/light wall box? Switch ond out let boxes s tirst 10. What type and size of box may be used for the ceiling fan/light wall box?. 11. What type of covers are used with 4 in. square outlet boxes? 12. a. Does the circuit for the Master Bedroom have a grounded circuit conductor? b. Does it have an equipment grounding conductor? c. Explain the difference between a "grounded" conductor and an "equipment grounding" conductor. 13. Approximately how many feet (meters) of 2-wire cable and 3-wire cable are needed to ft complete the circuit supplying the Master Bedroom? Two-wire cable: ft (- m). m). Three-wire cable: 14. If the cable is laid in notches in the corner studs, what protection for the cable must be provided? 15. How high are the receptacles mounted above the finished floor in this bedroom? 16. Approximately how far from the bedroom door is the first receptacle mounted? (See the plans.) 17. What is the distance from the finished floor to…arrow_forward2. 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_forwardPlease provide Handwritten answer Question: NEC Reference Answer __________ __________ _____ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.Question: NEC Reference Answer __________ __________ _____ is a jack or terminal that serves as the collection point for redundant grounding of electric appliances serving a patient care vicinity or for grounding other items in order to eliminate electromagnetic interference problems.arrow_forward
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