I'm going to be running 2/0 3 conductor with ground copper SER cable as a feeder from the ATS to the main panel.
The main panel is directly behind the meter so either way i will have to cut some sheet rock in the garage to run the feeder. If I was to penetrate the wall and ATS at the red circle could I use a close nipple or does it have to be a connector? If I can use a nipple id assume to put a piece of 2x4 in the wall chamber to strap to close to the penetration.
My other option is to put an LB at the blue circle and run conduit through the soffit into the attic as a sleeve and then strap the ser cable to the joists and go down the top plate to the main panel.
The main panel is directly behind the meter so either way i will have to cut some sheet rock in the garage to run the feeder. If I was to penetrate the wall and ATS at the red circle could I use a close nipple or does it have to be a connector? If I can use a nipple id assume to put a piece of 2x4 in the wall chamber to strap to close to the penetration.
My other option is to put an LB at the blue circle and run conduit through the soffit into the attic as a sleeve and then strap the ser cable to the joists and go down the top plate to the main panel.
