bcl
Member
- Location
- Garden Ridge, TX
- Occupation
- Electrician (Owner/ Operator)
Hey all, I was recently called upon to inspect some EV charger circuits at a car dealership installed by another contractor. They used #8 THHN on 50 amp breakers for some 14-50 twist-lock receptacles. The breaker terminal rating says CU/AL 60/75. Am I reading this correctly that it is rated 60 degrees for copper and 75 for aluminum? In which case, their wire is too small. Is there some provision I'm not aware of, it would be a lot of wire they'd need to re-pull. Everything is installed in EMT.