Electrical · E-RYG8M

Typical Overhead Door Rough-In Detail

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An overhead door frame is supplied with a three-quarter-inch conduit running to the overhead door motor, which requires a thermal switch, disconnect switch, or motor starter matched to the voltage and horsepower. A half-inch conduit services the door frame, and floor junction boxes are mounted at plus eighteen inches above finished floor for the photoelectric eyes. An open, closed, and stop control station connects via half-inch conduit. All rough-in requirements must be coordinated with the overhead door supplier installation drawings.

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