Flush Mount Receptacle, 50 Amps, 1450R NEMA Configuration, Number of Poles 3, Number of Wires 4, Voltage 125/250VAC, Phase 1, HP 3 LL (2 LN), Color Black, Duty Heavy, Grade Specification, Material of Construction Thermoplastic Polyester, Wiring Method Back and Side, IP Rating 20, Standards UL/CSA Also known as -Hubbell HBL9450A Wiring Device Grounding Receptacle 50 Amp 125/250 Volt 3 Pol-HUBBELL WIRING DEVICEKELLEMS HBL9450A Receptacle, 50 A, 3 HP