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 Air-Conditioning and Refrigerating Equipment 440.9 Grounding and Bonding September 5, 2021 230.46 Spliced and Tapped Conductors (On the Service side) June 4, 2023 Single Phase dwelling services March 3, 2024 Leave a ReplyYou must be logged in to post a comment.