4 Prong Dryer Receptacle Wiring Diagram | autocardesign 4 Prong Dryer Receptacle Wiring Diagram– wiring diagram is a simplified pleasing pictorial representation of an electrical circuit shows the components of the circuit as simplified shapes, and the capability and signal friends amongst the devices. Wire a Dryer Outlet (Yellow Wire = White) The 4-prong dryer outlet wiring diagram above is ran with a 10/3 with ground cable. As you can see, there is now an added dedicated neutral. The ground is now a dedicated wire also. But if you notice, both the neutral and the ground wires both How to Wire a Dryer Cord Summary: Electrical wiring for a dryer power cord has a typical 240 Volt electric power cord with 3-wire and 4-wire wiring configurations people may experience the situation of trying to make a older dryer work with an new four wire receptacle. This article will explain what options you have to get your dryer wired and running.