Back-Up, Back-Up Power

A portable or temporary alternate source _____ whenever the emergency generator is out of service for major maintenance or repair.

a) shall not be required
b) is recommended
c) shall be available
d) shall be avoided

See answer and applicable Code reference

The correct answer is: c) shall be available

Article 700 outlines the requirements for installation, operation and maintenance of emergency systems. As noted in Sec. 700.4(A), "an e

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