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Electrical Wire and Cable

Electrical Circuit for a Microwave

By Dave Rongey - Summary:

How to Wire a Microwave Oven Circuit: Microwave Cords and Plugs, The Problem with Shared Electrical Circuits

Microwave Oven Electrical Circuit Requirements

Electrical Question: We are making some small kitchen changes, including moving and changing the built-in microwave (to a drawer type model).

Thanks so much.

This electrical wiring question came from: John, from Overland Park, Kansas

Dave’s Reply:
Thanks for your electrical wiring question John.

How to Wire a Microwave Oven Circuit


Microwave Oven Electrical Circuit

Microwave Cords and Plugs

The Problem with Shared Electrical Circuits

The adage that “it works so it must be OK”  can be a very dangerous assumption when it comes to electricity!

Do it Right the First Time, You’ll Sleep Better at Night!
(otherwise, make sure your smoke alarms are working.)

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4 Responses to “Electrical Circuit for a Microwave”
  1. Dave Rongey says:

    Hi Mike,
    If your microwave oven is running by itself and without your control then the unit should be unplugged and serviced by an authorized technician.
    I hope this helps,

  2. Mike Yang says:

    I have a GE micro oven, model JVM1540DN1WW. It keeps running without touching. I unplugged the unit and plugged back after an hour. It seemed OK for 2-3 hours. Then started running again.

  3. Dave Rongey says:

    Hi Lorenzo,
    The outlet for the microwave oven is typically located behind the unit so this helps to hide the cord. However the outlet for the dishwasher used to be located directly behind it at the base of the wall but with that set up the only way to unplug the power was to uninstall the dishwasher. So now it is better to locate the dishwasher outlet under the sink where it is much more accessible. Under the sink it is best to install a separate 20 amp circuit to a duplex receptacle which is then shared by the disposal and the dishwasher.
    By the way, Camp Lorenzo looks like a nice place, I would like to visit there some time.

  4. lorenzo says:

    What are the suggested location of electrical outlets for microwave ovens and dishwashers. I have always seen the plug for these appliances located in adjoining cabinets instead of directly behind them. Is there a reason for this?