In a residential setting my boss orders the conduit/wire or NM cable based on the 60C table for pretty much everything up to #1 or 100A. I have mentioned HVAC / motor exceptions before and he shrugs it off. Its simpler that way I guess.
HVAC wire size?
- Thread starter Daja7
- Start date
- Location
- New Jersey
- Occupation
- Journeyman Electrician (retired)
It's his money that he's wasting.
LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
If I see an MCA of 16.6a, I'm going to use #12 for the entire run.
electrofelon
Senior Member
- Location
- Cherry Valley NY, Seattle, WA
- Occupation
- Electrician
Yeah, who even keeps #14 THHN on hand
