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 2017 Code Change 600.3 Listings for signs December 11, 2021 Neutral Identification 200.4 (B) 2014 CODE CHANGE November 11, 2017 2014 CODE CHANGE December 17, 2016 Leave a ReplyYou must be logged in to post a comment.