Answered: 12.a. For grounded systems, equipment…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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12.a. For grounded systems, equipment grounding and bonding performance requirements are set forth in
which article of the National Electrical Code?
A. 840.100
B. 490.55
C. 250.4(A)
D. 680.42(B)
12.b. A crane is operating in a Class III environment. Which of the following types of grounding system
should be used?
A. The power supply to the crane should be grounded, but the crane should be ungrounded.
B. Both the crane and the power supply should be grounded.
C. Neither the crane nor the power supply should be grounded.
D. The crane should be grounded, but the power supplied to the crane should be ungrounded

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