20Amp 120/280V 4-Pole/4-Wire Turnlok® Non-NEMA Single Receptacle, Black.FEATURES AND BENEFITS: • RoHS Compliant • Compact, impact-resistant nylon face and body are ultrasonically welded together for unrivaled strength. • Face color 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 #14 - #10 AWG.