wireday
Senior Member
- Location
- New England
- Occupation
- Master electrician
When derating for conduit fill at 4-6 ccc at 80%,does it matter if 2 conductors are running different amperage than the other 4 conductors. I have one circuit 30 amp and two others at 20. The 30s are on #10 and the 20s are on #12 after proper derating,