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 430.7 Markings on MOTOR NAMEPLATES 2020 NEC November 10, 2024 Code Change 210.8 GFCI protection September 8, 2019 250.52(B) Not permitted for use as Grounding Electrodes March 17, 2019 Leave a ReplyYou must be logged in to post a comment.