Locking Plug Connection Orientation Straight Current Rating 50 A Housing Color Gray Housing Material Steel/Lexan NEMA Plug Configuration Non-NEMA Number of Blades 3 Number of Poles 2 Phase Single Polarized Yes Resistance Properties Chemical Resistant Impact Resistant Voltage Rating 250V AC Wire Connection Type Screw Terminals Wiring Style Standard Face Diameter 3.03 in For Maximum Cable Diameter 1.3 in For Minimum Cable Diameter 0.83 in Grade Hospital Grade Grounding Grounded