Wireless design - threading the fixture unit onto the mounting hood makes the electrical connection; The only wiring required is attaching two wires to the connection block in the mounting hood; Safe, easy servicing without disconnecting any wiring; Standard pendant mounting hood for rigid or flexible mounting; balanced round design automatically hangs plumb when used with flexible hanger; Unitized construction reduces installation and maintenance costs; Ballast has standard non-PCB biodegradable capacitors; Porcelain socket ensures trouble free operation in high ambient installations; For use in hazardous locations, enclosed and gasketed HID lighting fixtures for use in tunnels, walkways, bridges, storage facilities, processing plants, parking lots, foundries, manufacturing plants, power plants and other locations subject to moisture, dirt, dust or corrosive atmospheres; 90 PCT minimum power factor |