Although the ungrounded control-circuit conductors are normally black, red, or blue, the NE Code® will allow these insulated conductors to be any color except ___, ___, or ___

Although the ungrounded control-circuit conductors are normally black, red, or blue, the NE Code® will allow these insulated conductors to be any color except ___________, ___________, or __________________.

A) white, gray, or green
B) yellow, blue, or green
C) red, gray, or green
D) white, blue, or red

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Answer:A

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