How to Install a 220 Electrical Plug on a Stove

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Because of the amount of power they require, electric ranges use a different kind of power cord than what is generally used in your household. This cord is designed to carry a 220/240 volt electric current, and is not included with your appliance. Depending on the age and design of your home, you will either have a three- or four-prong 240 volt outlet behind your electric range. You will need to purchase the correct cord before installation.

Things You'll Need

  • Standard screwdriver
  • Phillips-head screwdriver
  • Set of small hex screwdrivers
  • Pliers

Installation

  • Remove the square or rectangular cover on the lower side of the back of your stove. This should be held on by a single screw and it covers the electrical terminals. If you are installing a three-wire plug, skip Step 2.

  • Do this step only if you are using a four-wire plug. Once you have removed the electrical cover you will see four screws. These are where power is supplied from the cord. The center screw is neutral and the one below it, usually colored in green, is ground. You will see a copper piece of metal running between ground and neutral, connecting them. Remove this piece by unscrewing both screws and pulling it out with pliers.

  • Below the connectors on the range you will see a round hole. This is where your wire will enter the back of the range. Install the strain relief (included with the range) into this hole. The strain relief is a metal piece with “wings” and two screws that compress to hold the electrical cord into place. The “wings” will be on the inside of the range, through the hole, and the screws will be on the outside.

  • Thread your electrical cord into the hole from the bottom and through the strain relief. Thread it far enough so that the four colored wires can reach the connecting screws in the range.

  • Consult the user manual to verify the wiring positions on the back of the range. The common arrangement is: Ground (green wire) on the bottom, hot (red) on the right, hot (black) on the left, and neutral (white) in the center. These wires must be arranged correctly to prevent damage to your range or the chance of fire. For a three-wire plug, there will be only red, white, and black wires.

  • Connect the wires to their respective terminals by removing the screw, threading it through the “eye” on the end of the wire, and screwing it back into it's original place. Tighten these screws firmly, but not so much that you damage or strip the threads.

  • Double check your wiring against the wiring diagram in the user manual.

  • Now that the wires are connected, tighten the two screws on the strain relief until the cord is set firmly in the hole. This prevents the wires from being pulled out of the terminals if strain is placed on the cord.

  • Reinstall the cover to the back of the stove. Do not over-tighten the screw.

Tips & Warnings

  • Modern electrical appliances operate on a 240 volt circuit. This level of electric current is extremely dangerous if handled irresponsibly. Never attempt to service an appliance while it is plugged in. If you feel uncomfortable installing this yourself, call an electrician or certified installer. Electricity can cause fires, severe injury and death.

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References

  • Photo Credit George Doyle/Stockbyte/Getty Images
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