Used to run Gears foot warmers or heated socks on their own, or along with one other heated clothing item Comes with an ON/OFF switch in the wiring harness Sufficient cord length allows user to route harness through the pant loops and drop them down toward the foot warmers or socks End of cord has a male coax plug that connects to the power source and a female coax plug that can be used to connect other heated clothing or gloves/glove liners, along with their required cable (if intending to use with upper clothing along with the foot warmer/socks on the same circuit) DC connector plugs are 5.5mm in size. CORD Y HARNESS SOCKS