P patsy Member Location new jersey Sep 27, 2009 #1 can you use a 3 phase breaker to power a single phase breaker as far as the code goes?
J jim dungar Moderator Staff member Location Wisconsin Occupation PE (Retired) - Power Systems Sep 27, 2009 #2 Yes, if the 3-phase breaker is installed in a 3-phase panel, it may be used to supply loads using only 1-pole or 2-poles.
Yes, if the 3-phase breaker is installed in a 3-phase panel, it may be used to supply loads using only 1-pole or 2-poles.