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 210.8(B) GFCI PROTECTION IN OTHER THAN DWELLING UNITS 2017 Code Change September 19, 2020 230.71 Maximum Number of Disconnects, (B) Two to Six Service Disconnecting Means October 1, 2023 Leave a ReplyYou must be logged in to post a comment.