- Chapel Hill, NC
- Retired Electrical Contractor
This only applys to feeders correct? (60 deg ser)
But seu(service entrance cables) is the same insulation and ok for 75 deg column?
I'll refrain from getting on my soap box but simply caution you that there are AHJ's that subscribe to the school of thought that, to use Dennis' words, "338.10 trumps 310.15(B)(6)" so be careful, as some jurisdictions do not accept interior SE at any amperage above is 60? rating.
for more discussion 'search' "338.10" and you will find the previosu threads.