Receptacle with Isolated Ground 20 Amps 5-20R NEMA Configuration Number of Poles 2 Number of Wires 3 Voltage 125VAC Phase 1 HP 1 Color Gray Duty Heavy Grade Hospital Material of Construction Nylon Wiring Method Back and Side Description Smooth Face Isolated Ground Nickel Plated Brass Strap Standards UL 498HG File E13399/UL Fed Spec WC-596 File E13399/CSA C22.2 No 42 File 152105/NOM 057/NEMA WD-6/ANSI C-73