Q. What does the Code define as a multiwire branch circuit? A. A multiwire branch circuit consists of two or more ungrounded circuit conductors with a common neutral conductor. There must be a ...

When calculating the ampacity of a common neutral conductor installed as part of a circuit for an outside feeder or branch circuit, the ampacity of the common neutral conductor shall comply with which ...

This article discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, ...