Appleton Electric - APP ENR21201 SINGLE GANG RECEPT ASS

U-Line™ Contender™ Factory Sealed 20 Amp Plugs and Receptacles feature a dead front design making them ideal for use with electrical equipment in hazardous locations. The neoprene gasket in the throat of the receptacle seals against the plug or the spring-loaded cover to seal out water, dust and corrosive compounds. Although U-Line plugs can be used with ordinary receptacles, U-Line receptacles are designed so that they can't be energized by an ordinary plug. Features: Dead front design: receptacle is not energized until plug is fully inserted and switch is engaged; ECP plug fits any standard non-explosionproof receptacle (NEMA 5-20R, or 6-20R) as well as U-Line explosionproof receptacles; Insulators provide superior dielectric and mechanical strength and lowest arc tracking; Ground fault circuit interrupting cover and receptacle combinations available; Covers are UL Listed when used with Contender™ Series mounting boxes, and UL Classified when used with Crouse-Hinds™ EDS™ series mounting boxes; Intermatable with competitor's plugs of like configurations