Watertight Locking Plug Connection Orientation Straight Current Rating 30 A Housing Color Yellow Housing Material Thermoplastic Elastomer NEMA Plug Configuration L18-30P Number of Blades 4 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 1 in For Minimum Cable Diameter 0.375 in Grade Industrial