Power Inlet and Outlet Cover Assemblies: Type - Single Locking Power Outlet; Rating - Amps - 30A; Rating - Volts - 3PH 600V; Number of Poles - 3P; Number of Wires - 4W; NEMA - L17-30; Cover Type - Watertight Cover; Material - Rubber; Color - Yellow; Application - Watertight; Manufacturer Series - Watertite