Ground Continuity Monitoring Plug 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 Resistance Properties Chemical Resistant Impact Resistant Voltage Rating 250V AC Wire Connection Type Screw Terminals Wiring Style Standard Face Diameter 1.358 in For Maximum Cable Diameter 1.15 in For Minimum Cable Diameter 0.23 in Grade Federal Specification Grounding Grounded Market Industrial