Hubbell gray metallic watertight shore power inlet with wingnut-secured lid for water tightness when not in use. 200 amp-rated Ship-to-Shore system - built specifically for Mega-Yachts. Type 3,4, 4X rated per UL50 standard for superior water resistance. UL listed and CSA certified. Interchangeable with other "UL16B6C1" listed devices. Terminal screws feature swivel/pressure pads to secure, and prevent damage to, conductors strands. Cable clamp captures cable at four points, provides superior retention. Housing is made of copper-free aluminum with an electro statically applied epoxy/polyester finish. Accepts a cord range of #1 AWG - 250 MCM. Pins and Sleeves are made of nickel-plated Tellurium copper for superior corrosion and heat resistance. NEMA 4X.