Code Quiz: Identifying DC Branch Circuit Conductors

NEC guidelines on how to identify DC branch circuit conductors

Fill in the blanks with the appropriate answer.

When identifying branch circuit conductors (6 AWG or smaller) of direct-current systems that are more than 50V, the ungrounded positive conductor shall be identified by a red outer finish, a continuous red stripe the entire length (on insulation color other than green, white, gray or black), or __________________. The ungrounded negative conductor shall be identified by a black outer finish, a continuous black

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