Receptacle, NonNEMA NEMA Configuration, Voltage 125/250VAC, 50 Amps, Color Black, Number of Poles 3, Number of Wires 4, Phase 1, Grade Marine, Material of Construction Thermoset, IP Rating 20, Standards UL/CSA Also known as -HBL63CM69 Hubbell HBL63CM69 Receptacle 50A 250V-HUBBELL WIRING DEVICEKELLEMS HBL63CM69 Receptacle,3P,4W,50A,125/250V-Beckson HBL63CM69 Receptacle Single 50A/250V