Ground-fault protection of equipment is required for large branch circuits of more than 150 volts to ground but not exceeding more than _______ volts phase-to-phase for each disconnect rated at or above 1000 amperes. A. 400 B. 700 C. 1000 D. 600

Ground-fault protection of equipment is required for large branch circuits of more than 150 volts to ground but not exceeding more than _______ volts phase-to-phase for each disconnect rated at or above 1000 amperes. A. 400 B. 700 C. 1000 D. 600

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter3: Determining The Required Number Of Branch Circuits, Lighting Outlets, And Receptacle Outlets

Section: Chapter Questions

Problem 10R: How is the required number of branch circuits determined? __________

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Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.

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20. Ground-fault protection of equipment is required for large branch circuits of more than 150 volts to ground but not exceeding more than _______ volts phase-to-phase for each disconnect rated at or above 1000 amperes.

A. 400 B. 700 C. 1000 D. 600

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