Disregarding exceptions, where more than one neutral conductor associated with different circuits is in an enclosure, grounded circuit conductor(s) of each circuit shall be identified or grouped to correspond with the ungrounded circuit conductor(s) by methods such as ______________ in at least one location within the enclosure?
A) wire markers
B) cable ties
C) similar means
D) all of the above
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Answer: D
It is important to identify the appropriate neutral conductor associated with the ungrounded conductor(s) for any circuit, especially for personnel who install and maintain electrical circuits and equipment. This revised section in the 2017 edition of the NEC [200.4(B)] provides information on how to accomplish this and make the work safer for personnel working with circuits and equipment.
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].
