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 406.12 Tamper-Resistant Receptacles. 2017 Code Change June 27, 2021 New addition to article 555 Code change 2017 NEC October 2, 2021 Available Fault Current May 31, 2014 Leave a ReplyYou must be logged in to post a comment.