Receptacle, L715R NEMA Configuration, Voltage 277VAC, 15 Amps, Color Black, Number of Poles 2, Number of Wires 3, Phase 1, HP 2, Grade Industrial, Material of Construction Nylon, IP Rating 20, Standards UL/CSA Also known as -Hubbell HBL4760 Single Receptacle 15 Amp 277 VAC Back and Side Wired Flush-HUBBELL WIRING DEVICEKELLEMS HBL4760 Receptacle, Single, 15 A, L715