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Electrical Wire and Cable

Installing a 220 Volt Oven Circuit

How to Wire an Electrical Circuit for an Oven: A Step by Step Procedure for the Installation for Oven Electrical Wiring, Determining the Oven Circuit Size, Selecting the Electrical Cable, The Electrical Junction Box, Connecting the Flex Conduit From the Oven, Connecting the Circuit Wiring.

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Electric Circuit for 220Volt Oven

Electrical Question: I need to install a 220 volt line for an oven.

This electrical question came from: Michael , a Homeowner from Clinton Township, Michigan.

Dave’s Reply:
Thanks for your electrical question Michael .
I do not recommend the use of converters for most large electrical appliances.

How to Wire an Electrical Circuit for an Oven

A Step by Step Procedure for Installing Electrical Wiring for an Oven

  1. Determining the Required Oven Circuit Size
    All ovens are not the same, therefor the size of the electrical circuit will depend on the exact oven that you are installing. The oven installation manual will provide the required circuit information. The wire gauge is selected according to the oven specifications. The wire type or electrical cable type is determined by the type of structure and if the wiring will requiring protection and require conduit.
  2. Selecting the Electrical Cable
    Factors for determining oven electrical cable types include where the cable will be routed or installed, such as through a basement, crawl space or attic, etc.
  3. The Electrical Junction Box
    The same it true for the junction box that will be selected for the oven circuit to be installed into, for example will the junction box be surface mounted or flush mounted. The size of the junction box is determined by the size of the oven circuit cable.
  4. Connecting the Flex Conduit From the Oven
    Ovens typically come with a flex conduit with wires leading into the oven which will connect to the electrical junction box which will be located behind the oven in the cabinet where the oven is being installed. A blank cover plate that has an opening for a 90 degree flex fitting may be used to connect the oven flex to the junction box.
  5. Connecting the Circuit Wiring
    The ground wires are spliced together and bonded to the junction box. The insulated wiring of the electrical circuit cable and the wiring of the oven flex is spliced together inside the junction box using the appropriately sized wire connectors.

NOTE: As with all electrical wiring projects, a permit and inspections must be arraigned through your local building department. For best results a licensed electrical contractor may install the oven electrical circuit for you.

See more about Wiring an Oven

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FAQs Frequently Asked Questions and Comments

11 Responses to “Installing a 220 Volt Oven Circuit”
  1. Kent says:

    Thank you very much. This will save us lots of money, plus it’s done right. Kent

  2. Dave Rongey says:

    Hi Kent,
    When relocating a oven or range to a new location the existing circuit may be extended from the original location to the new location. The original receptacle or connection box may be used as a junction box where the new length of circuit cable of the same gauge and type is spliced with the existing circuit cable using approved wire connectors. The junction box must be accessible, and a blank cover must be installed.
    I hope this helps you, enjoy your remodeled kitchen!

  3. Kent says:

    I am remodeling my kitchen and want to move my range about 10′ away from where the 220 electrical junction box is. Can I splice new 220 wire into that junction box and put a new box where the range is being moved? I can not rewire the new junction box from the main electrical panel.

  4. Dave Rongey says:

    Hi Richard,
    Cook Top Wiring
    The original cook top circuit wiring will need to be tested to properly to identify the voltage, and then marking the wires according to the purpose. If the white wire is not being used as a neutral but is instead being used as a hot leg then the wire should be wrapped with red electrical tape.
    The original circuit voltage and amperage rating should also be compared to the new cook top to make sure the ratings are correct.
    I hope this helps,

  5. Richard Hartley says:

    I am installing a new electric cook top. The old cook top wiring was: Black to black, white to red and bare ground to bare ground. I don’t understand how this worked at all.
    The new cook top wiring is now Black to Black, Red to Red, bare grounds together.
    Now I do not get any power to the Red Leg. Do you have any suggestions?

  6. Dave Rongey says:

    Hi Kelly,
    Both the dryer and the oven have their own amperage requirements and require a dedicated circuit, not a shared circuit. Dedicated circuits ensure proper wiring and prevent an overloaded condition which could cause a possible fire hazard and a tripping circuit breaker.
    I hope this helps,

  7. kelly says:

    Can I splice into my 220 outlet for my dryer and run another wire from there to make another outlet for an oven instead of going all the way from the breaker box?

  8. Dave Rongey says:

    Hi Roz,
    To begin to troubleshoot the problem disconnect the oven from the wall socket connection then attempt to restore power to the circuit.
    If the power to the oven does not trip off then the problem is most likely with the electric oven, however if the oven circuit does trip off while the oven is not connected then an electrician will be required to test the circuit and make necessary repairs.
    If the circuit does not trip off the electrical connections to the oven should then be checked, verified and repaired if needed.
    Repeat the process of testing the oven and the circuit.
    If the oven circuit continues to trip off then there may be a problem in the oven with the wiring or electrical components. Because the oven is new and most likely covered by a warranty the supplier or manufacturer should be notified so they can make arrangements to replace or repair the oven or repair the problem.

  9. roz says:

    I switched my electric oven on for the first time and it fused the gas boiler and wall sockets. Is this likely to be that the oven is wired up wrong and should I look for an electrician or an oven repairer? Thanks for any help.

  10. Dave Rongey says:

    Hi Herb,
    If needed, the oven junction box may be moved to another accessible location, and no – the junction box does not have to be centered.
    If the junction box is Surface Mounted you may want to recess it back into the wall and make it a Flush Mounted box to give you more room.

  11. Herb Angle says:

    Is it necessary to install the oven junction box on the wall behind the oven? And centered? My oven hits the box and doesn’t fit flush withe cabinet.