Receptacle, 20 Amps, 520R NEMA Configuration, Number of Poles 2, Number of Wires 3, Voltage 125VAC, Phase 1, HP 1, Color Brown, Duty Extra Heavy, Grade Industrial, Material of Construction Nylon, Wiring Method Back and Side, Description Back and Side Wired, Standards UL/CSA Also known as -Hubbell HBL5362 Heavy Duty Specification / Hospital Grade Duplex Receptacle 2 Po-HUBBELL WIRING DEVICEKELLEMS HBL5362 Receptacle,Duplex,20A,125V,BR,Industrial