This repairable 7-Way RV Cable and Connector Assembly is used to hook up your trailer to your vehicle. It features an 8-foot cable length and seven pre-wired copper circuits. The black and white wires require a #8 wire gauge. The blue wire requires a #12 wire gauge. The red, green, yellow and brown wires require a size 14 wire gauge. If needed, the RV connector plug can be removed.