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 404.2 Switch Connections. Neutral’s at a switch? NEW TO CODE April 3, 2016 220.12 General Lighting Loads “NOT TO BE USED UNTIL 12/31/23” April 1, 2023 210.52 (A) (2) (1) WALL SPACE April 24, 2016 Leave a ReplyYou must be logged in to post a comment.