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 2020 CODE CHANGE January 21, 2024 CODE CHANGE Added Panelboards to list 408.3(A)(2) August 24, 2019 406.9 (C) Bathtub and Shower Space. Exception #2 July 7, 2024 Leave a ReplyYou must be logged in to post a comment.