Locking Plug Connection Orientation Straight Current Rating 20 A Housing Color Black White Housing Material Nylon NEMA Plug Configuration L6-20P 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 1.97 in For Maximum Cable Diameter 0.93 in For Minimum Cable Diameter 0.36 in Grade Industrial Grounding Grounded