An electrical schematic diagram details the wiring and components for lighting contactor C-EXTE housed within a NEMA 1 lockable enclosure mounted adjacent to panel HSEE. A new photoelectric switch is mounted on the roof facing north. A 24-hour 7-day DPST time clock integrates with a new 4-pole lighting contactor featuring 20A contacts and a 120V coil. Power feeds the 120V system to control exterior and site lighting loads.
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