This circuit is used for a new clothes dryer outlet installation. The 120 volt service is for the dryers timers sensors and other electronics while the 240 volt service supplies power to the heating elements.
How To Wire 240 Volt Outlets And Plugs
Dryer receptacle wiring diagram. Httpamznto2toc2ue double gang cover plate. You may find yourself with either a 3 wire or 4 wire electric dryer or a 3 wire or 4 wire outlet. The black wire line a phase and the red wire line b phase supply the 240 volts. This is a newer version of the outdated 30 amp receptacle appearing in the previous diagram. More about wiring a. An electric dryer on the other hand heats the air with electric heating elements and runs on 240 volt current which requires a much different outlet receptacle and a special heavy duty appliance cord with a unique plug.
This receptacle has a ground connection not found in the older 30 amp circuit for added protection against electrocution. Lets look a how the electric dryer is wired and what to do if your cord does not match the plug. 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. After this update all dryer receptacles are required to have four wires instead of three. In this video i wire up a dryer outlet installing the receptacle 103 wire and breaker. As you can see there is now an added dedicated neutral.
See an electric dryer installation with a typical 240 volt electric power cord wiring system. Httpamznto2grqmw5 double gang electrical box. The code requirement doesnt apply to houses built before 1996 though. In the to the right a 3 wire 10 awg nm cable supplies 240 volts from the electrical panel to the dryer receptacle outlet box. Wiring for a 4 prong dryer receptacle a 4 prong dryer outlet is wired as a 120240 volt circuit. Wiring a dryer wiring a 240v dryer.
4 wire flush mount dryer receptacle. Wiring diagram for a 30 amp dryer outlet. This video is not meant to be a definitive set of instructions. But if you notice both the neutral and the ground wires both connect to the same ground bar inside the panel box. The ground connection is shown in this. This article will explain what options you have to get your dryer wired and running.
The ground is now a dedicated wire also. Use 83 if you go over 15 feet. The white wire supplies neutral to the dryer receptacle. The 4 prong dryer outlet wiring diagram above is ran with a 103 with ground cable. One of the updates in the 1996 national electric code was to require grounding on 220 volt circuits such as dryer outlet wiring. A gas dryer plugs into an ordinary 120 volt electrical outlet and it has a cord fitted with an ordinary appliance plug.
Gallery of Dryer Receptacle Wiring Diagram
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