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Electrical Wire and Cable

ByDave Rongey © Ask the Electrician 2017 Author, Licensed Electrical Contractor
» Home Electrical Wiring Guide Book

Wiring Methods for Adding Kitchen Circuits

How should I wire kitchen electric circuits? How to Install Electrical Circuits in a Kitchen for Dish Washer and Garbage Disposal Outlet, Microwave Oven and more.

Kitchen Electrical Wiring
Electrical Question: How should I wire kitchen electric circuits?
I want to put in an over the range microwave oven and was wondering if it is okay to put it on the 2-20amp and 40 amp breaker.

Thanks  By The Way for the wiring diagrams.
Thanks for your time!

This home electrical wiring question came from: Randy, from Portland, Oregon.

See more about Home Electrical Repairs for Oregon

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

How to Install Electrical Circuits for the Kitchen

Application: Installing Kitchen Circuits.
Skill Level: Intermediate to Advanced, best performed by a Licensed Electrician.
Tools Required: Basic Electricians Pouch Hand Tools, electric drill,  auger bits and extension cord.
Estimated Time: Depends on personal level experience, ability to work with tools and install kitchen electrical circuit wiring.
Notice: Installing additional electrical circuit wiring should be done according to local and national electrical codes with a permit and be inspected.

Electrical Panels and Circuit Wiring

More about Wiring a Kitchen and Home Electrical Circuits

How to Install Kitchen Electrical Wiring

Electrical Circuit Breakers
2-pole-circuit-breaker

Home Electrical Circuit Breakers

A guide to home electrical circuit breakers and how they work to protect your electrical wiring. When properly installed, your home electrical wiring is protected by a circuit protection device.

Guide to Home Electrical Wire

Microwave Wiring
Microwave Wiring

Microwave Circuit Wiring

In kitchens it is common practice that if a microwave oven will be installed at a given location, such as Hood-Fan Microwave Ovens, that a Dedicated 20 Amp Circuit is always installed.

Microwave Outlet

GFCI Wiring
GFCI Wiring
This list of articles will help you learn about the features and benefits provided by GFI and GFCI Receptacles and how they are wired.


« The Danger of Installing Larger Light Bulbs Into Fixtures Does Your Washing Machine Require GFCI Protection »

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120 Volt Kitchen Circuits
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Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.

FAQs Frequently Asked Questions and Comments

2 Responses to “Wiring Methods for Adding Kitchen Circuits”
  1. Max Stanford says:

    Here’s an odd question, but need to know and couldn’t find it on the Microwave page. Is it important for the microwave to vent? I want to wire an outlet for it into a little hub area/shelf but am unsure how much space I should construct around the microwave or whether I should actually attempt to build a vent around it. Any help is appreciated!

    • Dave Rongey says:

      Great Question Max,
      Yes, there should be room around the microwave, especially in the back area and anywhere there are holes to supply ventilation and air circulation for the internal components to stay cool. You may want to check the owners manual for specific details.
      Dave

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