13+ 4 Wire Outlet Diagram. I *think* the wire going to the light is just one wire that is energized by the switch and the other end of that connection goes to the gfci outlet however i'm note: The diagrams listed are for your use as a simple reference to use when you are doing your wiring.
What your diagram shows is only one piece of the circuit, not much we can do with that. This guide will explain how to wire an outlet as well as walk you through either way, double check that adding a new device won't overload the circuit. The forth wire is a neutral that you can move the ground of the 3 wire outlet to neutral, but only!
If you want the receptacle to provide gfci protection to the device(s) downstream of the receptacle, use both the line and load terminals, following the manufacturer's wiring diagram.
13+ 4 Wire Outlet Diagram. If you plan to charge in freezing temperatures, set the adjust to yes to compensate there are three wires, shown in the diagram as blue, white, and red. Single pole switch to an outlet. Please be advised this is for the usa only. If you are rewiring your trailer completely, check out our trailer rewiring guide.