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

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 9.6CYU: Check Your Understanding A strain gauge is an electrical device to measure strain, as shown below....

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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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