Marine Cord Sets and AdapterCopper crimp barrel terminations provide tighter connections and longer life. A strain-relief bull ring on the inside protects against stress and strain on the terminals. Rugged STOW jacket resists water and corrosion. Cord sets 1UKA9, 1UKB0, 1UKB1, 1UKB2, 1UKB3, 1UKB4 have a connector end with metallic sealing ring for boat-side watertight interface. Adapter cord set 1UKB7 provides 100A 125/250VAC power from two 50A 125/250VAC receptacles. For outdoor use Fully molded design for superior waterproofing and durability Thermoplastic nylon and stainless steel construction for harsh environmentsMarine Cord Set, Shore Power, Indoor/Outdoor, Cord Length 50 Ft, Gauge/Conductor 6/4, Max. Amps 50, Voltage Rating 125, Jacket Type Thermoplastic, Cord Type STOW, Jacket Color Yellow, Temp. Range -4 To 140 F, Nominal Outside Dia 1.075 In, Number of Outlets 1, Description/Special Features Connector End Includes Metallic Sealing Ring Providing Boat Side Water Tight Interface, Standards UL, IP65