zcanyonboltz
Senior Member
- Location
- denver
I searched on here and found most info was from pre 2014 NEC.
My question is if a 150A meter/main breaker combo panel is mounted on a detached garage and the garage branch circuits are powered from this panel, then a feeder runs to the house and feeds a 150A main breaker panel can the 83% adjustment factor be used when sizing the service entrance conductors? I am not trying to apply the 83% to the feeder to the house I'm just wondering if the main on the garage then feeding the house makes 310.15 (B) (7) 83% size of main breaker not applicable in this case?
If so the feeders to the house may be larger than the service entrance conductors. Thanks.
My question is if a 150A meter/main breaker combo panel is mounted on a detached garage and the garage branch circuits are powered from this panel, then a feeder runs to the house and feeds a 150A main breaker panel can the 83% adjustment factor be used when sizing the service entrance conductors? I am not trying to apply the 83% to the feeder to the house I'm just wondering if the main on the garage then feeding the house makes 310.15 (B) (7) 83% size of main breaker not applicable in this case?
If so the feeders to the house may be larger than the service entrance conductors. Thanks.