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
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
Chapter27: Service-entrance Equipment
Section: Chapter Questions
Problem 17R
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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 conductor
B. Equipment grounding conductor C. Grounded neutral conductor
D. Grounding electrode conductor
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