Theres a lot of confusion out there on how to wire a 4 wire cord on an electric dryer. As you can see there is now an added dedicated neutral.

Wire A Dryer Outlet
Dryer cord wiring diagram. Wiring diagram also offers helpful ideas for tasks that might demand some additional tools. This article will explain what options you have to get your dryer wired and running. The 4 prong dryer outlet wiring diagram above is ran with a 103 with ground cable. Heck its a veritable. 3 prong cord attach the middle or ground wire to the center terminal one of the outer wires to the right terminal and the other outer wire to the left terminal. Due to changes in the national electrical code nec recommended wiring for electric clothes dryer outlets changed in 1996before the change dryer outlets were 3 slot devices that accepted 3 prong cords.
This e book even includes recommendations for extra materials that you could want in order to finish your tasks. If you search the web you find all kinda crazy and just plain wrong junk out there. Consult the dryer wiring diagram in the user manual. Change a 3 prong electric dryer cord to a 4 prong cord 4 prong dryer outlet wiring diagram. The dryers equipment ground case ground was connected to the neutral conductor in the dryer cord and the household circuit. Electrical wiring for a dryer power cord has a typical 240 volt electric power cord with 3 wire and 4 wire wiring configurationsmany people may experience the situation of trying to make a older dryer work with an new four wire receptacle.
The ground is now a dedicated wire also. But if you notice both the neutral and the ground wires both connect to the same ground bar inside the panel box. This configuration did not include a dedicated ground connection.