Mark Calabrese
Member
- Location
- 06074
- Occupation
- Electrical Engineer
On Transformer Lugs rated at 90 degree C are you allowed to use 75 Degree C Cable, And or a rating on the Lugs at 75 degree C, is it a violation to Use 90 degree cable...???
Lugs And Connections.
- Thread starter Mark Calabrese
- Start date
- Status
- Location
- Connecticut
- Occupation
- Engineer
Yes...and no.
Mark Calabrese
Member
- Location
- 06074
- Occupation
- Electrical Engineer
I have a Panel that is marked on the inside Lugs suitable for 75*C CU/AL conductors, Do you think it would be unsuitable for 90*C CU/AL conductors? It doesn't state unsuitable for 90*C conductors.
texie
Senior Member
- Location
- Fort Collins, Colorado
- Occupation
- Electrician, Contractor, Inspector
As long as you are using the 90 degree conductor at the 75 degree ampacity value it is fine.
- Status