Electrical Wiring Residential
Electrical Wiring Residential
19th Edition
ISBN: 9781337101837
Author: Ray C. Mullin, Phil Simmons
Publisher: Cengage Learning
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Chapter 3, Problem 26R

Although the Code contains many exceptions to the basic overcurrent protection requirements for conductors, in general, the rating of the branch-circuit overcurrent device must (not be less than) (not be more than) the ampacity of a conductor. (Circle the correct answer.)

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A branch circuit conists of five conveniance outlets. Determine the size of the conductor to be used to the said branch circuit. Plrase indicate the type of conductors to be used
5. Which of the following descriptions of a ground ring is correct?A. A ground ring is a circular formation that's made up of six or more grounding electrodes.B. A ground ring is a coiled conductor that's buried underneath a utility pole.C. A ground ring is a device that's used to clamp a conductor to a water pipe.D. A ground ring is a bare copper conductor that will encircle an entire structure underground.
Most residential general lighting circuits are wired with 14-AWG copper conductors and are protected by 15-amp circuit breakers. However, there are many electricians who install 12-AWG copper conductors and protect them with 20-amp circuit breakers. How will you know which conductor size and which circuit breaker size will be used for the general lighting branch circuits in the house you are wiring?

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Electrical Wiring Residential

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