How to Install a Microwave Outlet Circuit for the Kitchen
January 14, 2020 by: Dave Rongey
Chad in Louisville , Kentucky asks: I am tripping circuits off in my kitchen, do I need another circuit? Installing Dedicated Electrical Circuit Wiring for a Microwave Oven, Appliances they work for about 1-2 minutes and then stop.
Installing Dedicated Electrical Circuit Wiring for a Microwave Oven
Electrical Question: I am tripping circuits off in my kitchen, do I need another circuit?
When I run my appliances they work for about 1-2 minutes and then stop.
- I recently installed a new electrical outlet on a kitchen wall that previously had none.
- I basically ran the new wire down to our basement and tapped into an existing box that is running two additional outlets.
- I flipped the power on, plugged in the toaster oven and microwave and the clocks on both power up. However, when I run either of the two appliances, they tend to work for about 1-2 minutes and then stop. it doesn’t trip the breaker, but the outlet simply quits working.
- Without doing anything, the outlet will turn itself back on after about 10 minutes or so (I know this as the clocks on the appliances power back up).
- I tried replacing the outlet with a GFI outlet and the same thing occurs (only this time it does trip the GFI). Could it be the fact that I have plugged in two appliances that surge that’s causing this to happen? Why would they work for a bit and then stop but then work again?
I am very confused.
This electrical wiring question came from: Chad , from Louisville , Kentucky.
See more about Home Wiring for Kentucky
Thanks for your electrical wiring question Chad.
Wiring a Microwave Oven Circuit
Application: Wiring a Microwave Oven Circuit.
Skill Level: Intermediate to Advanced. This electrical project is 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 electrical circuit wiring.
Notice: Installing additional outlet wiring should be done according to local and national electrical codes with a permit and be inspected.
Common Circuit Requirements for a Dedicated Circuit for a Microwave Oven
This electrical question describes the problems that may occur when a dedicated circuit has not been provided for a microwave over, which I will outline below.
- Microwave Oven Circuit Requirements
A typical standalone microwave oven circuit is rated at 120volts 20 amps in areas of the U.S.A.
- Dedicated Circuit Wiring
A dedicated circuit and is not shared with another device, especially a toaster which consumes a large amount of current by itself.
- Installing the Microwave Oven Circuit
The circuit wiring is installed from an electrical panel which has the capacity for and additional 20 amp circuit. Circuit wiring is typically #12 AWG copper wire, which may also be 12-2 Type NM CU Cable or BX Cable as the location permits.
- The Microwave Oven Outlet
A 20 amp rated receptacle outlet and cover plate is installed into a single gang junction box or outlet box which is located close to the location of the microwave oven.
More about Electrical Wiring for a Microwave
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.
Wiring Electrical Outlets for the Home
Home electrical wiring includes 110 volt outlets and 220 volt outlets and receptacles which are common place in every home. See how wiring electrical outlets for the home are done.
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.
Electrical Wire for the Home
Complete listing of electrical wire types and parts used for home projects with electrical code information serves as selection guidelines.
Kitchen Electrical Wiring
Fully Explained Photos and Wiring Diagrams for Kitchen Electrical Wiring with Code Requirements for most new or remodel projects.
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
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