Pass Seymour® Turnlok® Single receptacle. NEMA L12-20R configuration number. 3-wire non-grounding. Compact, impact-resistant nylon face and body are ultrasonically welded together for unrivalled strength. Face colour coding by voltage facilitates locating and mating of proper devices. One piece, high-grade brass contacts offer excellent conductivity and heat-rise resistance. Clearly marked NEMA configuration, rating and third-party listing on each unit's face. Single-piece, solid brass mounting strap is free of easily loosened rivets found on other brands. Side and external screw-pressure-plate back wire capability. Accepts 10 to 14 AWG.