Breaker interchangeability - I really need to study up on the stuff. Today, on a service call, I added a 20 amp Siemens S.P. breaker to a Murray panel. Is that a listed interchange?
Every once in a while you'll get Seimens breakers in Murray packages, and vice-versa. More and more, I favor carrying a classified-replacement breaker on the truck (generally from CH), rather than carrying so many odd brands for service calls. If I'm doing a project where I KNOW I'll be using a bunch of a certain brand, I'll buy that brand particular for that panel. For service work, I just use a type CL breaker, unless I happen to have the right one kicking around on the truck.
I carry most Homeline since that is my main brand, followed by Cutler Hammer (since I run into a lot of Bryant, Challenger, Westinghouse, T&B and C-H panels) as well as a few boxes of mixed Siemens/Murray stuff. I really should mix it up with some CL though.
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