Electrical · E-EK5BK

Overhead Door Electrical Control Diagram

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An overhead door control box receives power from a 208-volt, 3-phase fused-disconnect switch and links to a graphical user interface and motor operator. A three-button open, close, and stop control station connects alongside photoelectric eye junction boxes mounted vertically at each side of the door jamb. A three-quarter-inch conduit with required power or control wiring runs typically to the door operator and control boxes. Conduit and box rough-ins coordinate with approved shop drawings and the door supplier, with all final electrical connections provided by the Division 26 contractor.

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