Receptacle, 20 Amps, 520R NEMA Configuration, Number of Poles 2, Number of Wires 3, Voltage 125VAC, Phase 1, HP 1, Color Red, Duty Extra Heavy, Grade Hospital, Material of Construction Thermoplastic Polyester, Wiring Method Back and Side, IP Rating 20, Standards UL/CSA Also known as -HUBBELL WIRING DEVICEKELLEMS HBL8300RED Receptacle,20A,125V,RD,Hospital Grade