$65
50A 125V, 2-Pole 3-Wire Grounding, Leviton
50Amp, 125V AC, Non-NEMA, 2P, 3W, Black & White Locking Plug, Industrial Grade, Grounding, California-Style(CS)
50 Amp, 250 Volt DC/600 Volt AC, Non-NEMA, 3P, 4W, Black & White Locking Connector, Industrial Grade, Grounding
50 A, 125/250VAC, 3 Pole, 4 Wire, Arrow Hart
50Amp, 3-Phase 480V AC, Non-NEMA, 3P, 4W, Black & White Locking Flush Mount Receptacle, Industrial Grade, Grounding, California-Style (CS)