Multi-wire branch circuits Post author:Jake Post published:August 6, 2012 Post category:Code Change of the Week Post comments:0 Comments When sharing the Neutral of a multi-wire branch circuit, the circuit breaker has to be common trip. Single phase, Three phase circuits now require a 2 pole or three pole circuit breaker. You Might Also Like New Article 750 Energy Management Systems October 29, 2017 Annex J ADA requirements July 16, 2017 Code Change missed. October 2, 2016 Leave a ReplyYou must be logged in to post a comment.