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Wednesday, October 25, 2017
Question:
Could I run two 3000A/480V 3Ph circuits with two circuit breakers in parallel and terminate the both circuits to a main bus on a main distribution switchboard?
Thanks, Duk Son
A
Answer:
Hey Duk thanks for your question. If I understand it correctly then no, circuit breakers can only be installed in parallel if they are factory assembled that way and listed as a unit as stated in 240.8.