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Can an 800A P frame circuit breaker be installed as a branch in an existing HCW main lug interior?

The P frame circuit breaker cannot be installed in an existing HCW main lug interior for a couple of reasons. The deadfront of the HCW interior is not designed to fit the P frame circuit breaker. There is no labeling to support the use of a P frame circuit breaker.

CTA-ID : 2019950
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