Prewired, 6-way car end sealed with 4 ft. of UL listed 6-way cable (White, Blue, Red-10 gauge, Yellow, Brown Green-14 gauge). Tin-plated, solid brass terminals and housing of industrial-strength, glass-filled thermoplastic, door with EPDM rubber gasket and heavy duty stainless steel spring. Sealed car end manufactured with Military-grade shrink tubing, super sealed manufactured with UL listed PVC for flexibility and both feature molded construction to encapsulate terminals and wires.