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Is there a restriction that limits mounting EDB 125A breakers adjacent to each other in an NF panelboard?

What is the restriction in an NF panelboard that limits mounting 125A branch breakers adjacent to each other on the bus?

Product Line:
NF panelboards


A 125A EDB breaker can have only a 20A maximum breaker mounted across from it due to the 145A maximum rating of the branch connector.

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