Dryer Power Cord Wiring Diagram

Wiring for a 4 prong dryer receptacle.

Dryer power cord wiring diagram.

Purchase the correct dryer power cord. Attach the grounding strap or wire that runs from the center terminal to the dryer case. 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. Unplug the dryer cord from power.

Instructions on how to install a 3 wire power cord to your dryer. Consult the dryer wiring diagram in the user manual. The nec requires that dryers have a dedicated circuit with a minimum of 30 amps. This size breaker requires a minimum of a 10 gauge wire so this wire used would be a 10 2 with ground.

This circuit originates from the breaker box containing a 2 pole 30 amp breaker. A 4 prong dryer outlet is wired as a 120 240 volt circuit. How to connect a 4 wire power supply cord to your maytag electric dryer. Turn off the breaker to the dryer.

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. 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. The replacement cord you purchased may also have a how to wire diagram on it also. Go to the dryer manufacturer s website and find the wiring diagram on how to attach the cord correctly.

The dryer may also say on the back what color and where the wires connect. 3 prong dryer outlet the 3 prong wiring diagram above shows the proper connections for both ends of the circuit. A gas dryer plugs into an ordinary 120 volt electrical outlet and it has a cord fitted with an ordinary appliance plug.