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Electrical Wire and Cable


Why Your Microwave Oven Lost Power


How to Wire an Electrical Circuit for a Microwave Oven: Microwave ovens generally require a dedicated circuit..



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Microwave Oven Lost Power
Electrical Question: We have several microwaves in our snack shop and if we plug three or more into an electrical strip because of lack of wall plugs they tend to short out or just lose power.

This electrical wiring question came from: Steven, a Teacher in Texas.

Dave’s Reply:
Thanks for your electrical wiring question Steven

Planning A Microwave Oven Circuit

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 electrical circuit wiring.
Notice: Installing additional outlet wiring should be done with a permit and be inspected.

How to Wire an Electrical Circuit for a Microwave Oven

  • Microwave ovens generally require a dedicated circuit, so if you are trying to run several off of the same circuit then naturally the circuit will not support the load. So basically, you are over loading the circuit. In a case such as this a surge protector will not help, however what will help is to install an additional circuit or two.
  • Basic circuit planning requires you to add up all of the required watts or amps and determine how many circuits will be required. Conventional microwave ovens are 120 volts, so installing 20 amp circuits would be best, you just need to determine how many more are required.
  • Depending on the exact size or electrical load of each microwave oven, you may find that you can have more than one microwave oven on a single circuit breaker.

Steve, please follow the link below which may be helpful because it covers microwave oven circuit planning:
https://ask-the-electrician.com/ohms-law-formula.html

The Following  will assist you with your Microwave Oven Circuit Wiring:

Microwave Oven Circuit

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The following may also be helpful for you:

Dave's Guide to Home Electrical Wiring:

» You Can Avoid Costly Mistakes! «

Wire It Right with the help of my Illustrated Wiring Book
Great for any Home Wiring Project.
  electrical wiring  

Complete Guide to Home Electrical Wiring

Perfect for Homeowners, Students,
Handyman, Handy Women, and Electricians
Includes:
Wiring GFCI Outlets
Wiring Home Electric Circuits
120 Volt and 240 Volt Outlet Circuits
Wiring Light Switches
Wiring 3-Wire and 4-Wire Electric Range
Wiring 3-Wire and 4-Wire Dryer Cord and Dryer Outlet
Troubleshoot and Repair Electrical Wiring
Wiring Methods for Upgrading Electrical Wiring
NEC Codes for Home Electrical Wiring
....and much more.


Learn more about Home Electrical Wiring
with my Online Video Course:
Basic Home Electrical Wiring by Example


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

Electrical Tips to Help You Wire it Right

The Safest Way to Test Electrical Devices and Identify Electric Wires!

The Non-Contact Electrical Tester
This is a testing tool that I have had in my personal electrical tool pouch for years, and is the first test tool I grab to help identify electrical wiring. It is a Non-contact tester that I use to easily Detect Voltage in Cables, Cords, Circuit Breakers, Lighting Fixtures, Switches, Outlets and Wires. Simply insert the end of the tester into an outlet, lamp socket, or hold the end of the tester against the wire you wish to test. Very handy and easy to use.

The Quickest Way to Check for Faulty Electrical Wiring!

The Plug-In Outlet Tester
This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect Very handy and easy to use.

Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!

The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..

The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.


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