replying to Ed Pawlowski , Milt wrote:
esp wrote:

It will allow 10 amps more to pass before it trips. Usually not a
problem depending on wire size. There is a wiring code that states
breaker size and wire size. To say for sure, we'd need to know the
wire size typical load. Is this a main breaker? Subpanel? Electric heat?


This is a main breaker, it's the wire that comes from the pole.

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