EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
6th Edition
ISBN: 8220100546686
Author: Herman
Publisher: YUZU
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Chapter 9, Problem 7RQ
To determine
Value of Current I2
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Equipment Grounding
13. A metal elbow is a part of a nonmetallic, underground raceway. The elbow won't need to be grounded as long as it's encased in at least _______ inches of concrete.
A. 4 B. 5 C. 2 D. 6
13 A. Which of the following can be in the form of a wire and is required to be installed with feeders and branch circuits?
A. Phased neutral conductorB. Equipment grounding conductor C. Grounded neutral conductorD. Grounding electrode conductor
QUESTION 9
What is the minimum sized Rigid Metal Conduit we should use for the above wire run if it is 24 inches long?
a
3/4"
b
1"
c
1 1/4"
d
1 1/2"
QUESTION 3
What is the minimum sized EMT conduit we should use for the above wire run if it is 24 inches long?
a
1/2"
b
3/4"
c
1"
d
1 1/4"
Chapter 9 Solutions
EBK DELMAR'S STANDARD TEXTBOOK OF ELECT
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