paul renshaw
Senior Member
- Location
- Cordova, Maryland
I don't do a lot of residential, but saw this installation and wondered if it was code legal There is a well controller, VFD, on a three phase submersible pump that is fed with 240V single phase input. The well guys ran a piece of #10-2 romex from the disconnect to the VFD. There is a 40 amp breaker in the disconnect, and there is a #8 run to the line side of the disconnect with a 40 amp breaker in the panel. I know conductors get fused higher sometimes on motor installations in commercial, but is that compliant with type NM cable in a house?