30Amp 480V 3-Pole 4-Wire 3-Phase NEMA L1630 Turnlok Single Receptacle, Black Features and Benefits: - 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.

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