A transfer switch shall be required for all fixed or portable optional standby systems for buildings or structure at which an electric utility is either the normal or standby source, unless permitted by an exception True or False?

A transfer switch shall be required for all fixed or portable optional standby systems for buildings or structure at which an electric utility is either the normal or standby source, unless permitted by an exception True or False?

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter32: Standby Power Systems

Section: Chapter Questions

Problem 11R: The NEC requires that a ____________ means be provided for standby power systems. In the case of...

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Concept explainers

HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

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