Watertight Locking Plug, Connection Orientation Straight, Current Rating 20 A, Housing Color Yellow, Housing Material Thermoplastic Elastomer, NEMA Plug Configuration L21-20P, Number of Blades 5, Number of Poles 4, Phase Three, Polarized Yes, Resistance Properties Chemical Resistant, Impact Resistant, Watertight, Voltage Rating 120/208V AC, Wire Connection Type Screw Terminals, Wiring Style Standard, For Maximum Cable Diameter 0.875 in, For Minimum Cable Diameter 0.375 in, Grade Industrial. This item has been restricted from sale in the following state (s): []