26560024 – Riser For Building-Mounted Exterior Lighting Power Source

A technical diagram illustrating the control wiring setup for a building-mounted exterior lighting power source. The schematic includes various electrical symbols representing components such as circuit breakers, contactors, and wires. The upper section highlights wiring connections, including a 480Y/277V circuit feed with labeled wires A, B, C, and N. Specific circuit elements like pilot lights, fuses, and contactors are indicated alongside labeled wires such as #10 THHN. The middle section contains detailed notes and specifications for new construction and circuit requirements, emphasizing a 12kVA load and ground conduit sizing per N.E.C. standards. The lower section focuses on wiring instructions for contactor control, showing connections to building exterior lighting and panels, along with labeling requirements.