Code Quiz: Boxes and Faceplates

NEC guidelines on installing boxes and faceplates.

Fill in the blank with the appropriate answer.

Faceplates provided for snap switches mounted in boxes shall be installed so as to _________ cover the opening, and where the switch is flush mounted, seat against the finished surface. Any gaps or open spaces at the edge of a box installed in a non-combustible surface shall be repaired if _________.

A) completely / if the gap is greater than 1/8 in.

B) formally / if the gap is greater than ¼ in.

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