This 12V DC extension cable includes a built-in 10A fuse and extends an automobile's, boat's, or generator's charging port up to 10ft for powering devices. The female connector includes a watertight cap that protects it when not in use.
The threaded ring and sealing collar are designed for use with 50A power cords commonly used with RVs, generators, marine shore power, etc. The threaded ring is attached to either the male plug or female connector side of the cord and securely screws around the sealing collar to offer maximum protection from water damage.