This RAB Lighting C100B die cast aluminum weatherproof round cover has a 4-1/2" diameter with one 1/2" threaded access hole for wiring. The black cover is made of die cast aluminum and has a 1/8" thick foam rubber silicone gasket to keep out moisture and two #10-24 stainless steel screws for attaching it to an electrical box. It fits a 4" round box and is Underwriters Laboratories (UL) listed for use in wet locations. This round cover is suitable as part of a commercial or industrial lighting solution.
RAB Lighting manufactures LED, metal halide, and high-pressure sodium lighting fixtures and controls for indoor and outdoor applications. The company, founded in 1946, is headquartered in Northvale, NJ.