Electric Dryer Plug Wiring Diagram

One of the updates in the 1996 national electric code was to require grounding on 220 volt circuits such as dryer outlet wiring.

Electric dryer plug wiring diagram.

Below each diagram i will cover some information concerning the difference between a 3 prong and a 4 prong dryer outlet. The 120 volt service is for the dryer s timers sensors and other electronics while the 240 volt service supplies power to the heating elements. You may find yourself with either a 3 wire or 4 wire electric dryer or a 3 wire or 4 wire outlet. There really isn t a lot of difference in the wiring theory other than some changes in electrical codes throughout the years.

Grip the last 1 2 inch 1 3 cm of the wire in the jaws of the wire stripper and squeeze the handles together. This article will explain what options you have to get your dryer wired and running. Electrical wiring for a dryer power cord has a typical 240 volt electric power cord with 3 wire and 4 wire wiring configurations many people may experience the situation of trying to make a older dryer work with an new four wire receptacle. Lets look a how the electric dryer is wired and what to do if your cord does not match the plug.

After this update all dryer receptacles are required to have four wires instead of three. Wiring for a 4 prong dryer receptacle. See an electric dryer installation with a typical 240 volt electric power cord wiring system. Wiring a dryer wiring a 240v dryer.

A 4 prong dryer outlet is wired as a 120 240 volt circuit. Pull the wire stripper toward the end of the wire to cut off the insulation. Strip 1 2 in 1 3 cm of insulation off the ends of each wire. The diagrams below are showing a basic concept on how to wire a dryer outlet.