Electric Dryer Plug Wiring Diagram

Pull the wire stripper toward the end of the wire to cut off the insulation.

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. After this update all dryer receptacles are required to have four wires instead of three. The diagrams below are showing a basic concept on how to wire a dryer outlet. See an electric dryer installation with a typical 240 volt electric power cord wiring system.

The nec requires that dryers have a dedicated circuit with a minimum of 30 amps. Work on 1 wire at a time or else you won t remove the insulation as well. 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.

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. This article will explain what options you have to get your dryer wired and running. Grip the last 1 2 inch 1 3 cm of the wire in the jaws of the wire stripper and squeeze the handles together.

Wiring a dryer wiring a 240v dryer. Strip 1 2 in 1 3 cm of insulation off the ends of each wire. The code requirement doesn t apply to houses built before 1996 though. Wiring for a 4 prong dryer receptacle.