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Utilization of 3-Pole breaker for Single Phase loads

A

aelec84

Member
Location
Los Angeles
Occupation
Electrical Engineer
Hello,

If 100A, 3P circuit breaker (inside 120/208V, 3-Phase Panelboard) is used to feed 100A, 208V, 1PH load will this be a code violation? One-Pole not used/connected. If yes what code section would that be under?
Thank you.
 
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