What Does 60 75 Mean On A Circuit Breaker?
What Does 60 75 Mean On A Circuit Breaker? 60/75°C Wire — All circuit breakers rated 125 A or less are marked for use with 60° C, 60/75°C or 75°C only wire. This marking indicates the proper wire size for termination in accordance with Table 310.15(B)(16) of the NEC . What is 60 75c wire?