Code Quiz: Wiring from a COPS Source

NEC rules on wiring from a COPS source

Fill in the blank with the appropriate answer.

Wiring from a COPS source or COPS source distribution overcurrent protection device to critical loads shall be kept entirely independent of all other wiring and equipment, except when installed in ______ ______ ______.

A) rigid metallic conduit

B) intermediate metallic conduit

C) rigid nonmetallic conduit

D) transfer equipment enclosures

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