What Is The Breaker Size For A Microwave – All Coast Inspections

Have you always had a moment when you put food into the microwave and the microwave ran for a few seconds and then stopped and then you tried the microwave again and it stopped again ? now, you are wondering what ’ s going on here ? so, you go out to the garage and attend at the circuit circuit breaker and realize that the circuit breaker has tripped. The microwave and the circuit are no longer working together due to some electric malfunction .
There is a clear consequence with the microwave and the circuit circuit breaker. sol, you need to check the circuit breaker box to determine if the surf is the right amps/volts for your microwave. What is the breaker size for a microwave? Well, the breaker size can vary based on the type of microwave. Smaller microwaves require a smaller circuit breaker and could just be plugged into a regular outlet. However, microwaves above your oven typically require a 20 amp/240-volt circuit breaker.
Let ’ s take a look at the variations of breaker sizes for a microwave. Keep in mind, that hiring a professional electrician might be the best solution .

What Is The Function Of The Breaker

The chief function of your circuit breaker is to trip the electric current when issues might arise. If there is a malfunction or a short in the cable system of the microwave, it will tell the circuit breaker to slip and cut off all electrical currents. This will allow you to know that an topic is present with the microwave or the breaker, and besides, prevent a fire from occurring in the home.

20 Amp circuit breaker for a microwave

Voltage Vs Amps

You will want to examine both the voltage and adenosine monophosphate requirements for your microwave anterior to usage. The breaker size of a microwave is based on the appliance ’ s ability to use 120-volt or 240-volt circuits. The size and make of the microwave will dictate which type of voltage circuit you will need. Most belittled microwaves use a simple 120-volt circuit .
relatively address, you will look at the adenosine monophosphate requirements for the microwave in the documentation. Standard humble microwave appliances will need a 10 ampere circumference but can range from 15-20 amps. however, there are many cases when a 20 ampere lap is required. You can see the deviation in adenosine monophosphate and voltage circuits based on the individual or duplicate prongs in your lap breaker box. If the circuit breaker for your appliances has two prongs ( or two handles ) connected it is a 240-volt circuit. The picture above shows a 20 adenosine monophosphate and 240-volt circuit. A 120-volt circuit breaker would only have one wield for the surf .
Microwaves usually require 20 amp and 240 circuit breaker.

Why Does A Microwave Require A Specific Circuit

There is a simple suffice as to why a microwave would require a specific circuit. The 20-amp lap is best for the microwave due to the constant load and spike issues that a microwave experiences. When a microwave is used under its maximal load, it could generate up to 15 amps of stream for hours .
This consistent flush of adenosine monophosphate custom could create insecure levels of heat and temperatures that will strain the cable beyond safe levels. If you have a 15-amp breaker circuit then this spike in energy use would cause the breaker to stumble and saving your home from having an unfortunate accident .

How Much Will This Cost Me

Replacing a bad circuit circuit breaker is relatively elementary and cheap. The full thing is that it could cost between $ 9.50 to $ 11.50 depending on what hardware memory you shop at. Understanding how to install a fresh racing circuit circuit breaker will save you money. If you are not person that likes to deal with electricity, then calling in a professional electrician is a beneficial estimate.

here is what you will need :

  • Circuit Breaker – Be sure to choose the right size based on your mircowave.
  • GFCI Outlet – 20-amp
  • Volt Tester – to test the voltage

Let ’ s take a look at the television below, which shows us how to install a 20 adenosine monophosphate circuit circuit breaker .

Other Maintenance Ideas

tour breakers control everything on the lap inside the electric panel in the house. From appliances to lamps, to light fixtures, etc. however, barely like with anything, circuit breakers can go bad. If you can catch this early, it may not be therefore expensive .
Another area of maintenance that you will want to take a look at is the GFCI outlet that the microwave spark plug into. Having a secondary backing to tripping the breaker and keeping the electrical current collapse, could save your home plate from unnecessary open fire damage.

last, making sure that your metal box is grounded is authoritative. This is because it sends electricity through the ground to the circuit breaker box that is besides grounded. If it is not grounded and there is a power surge, it can send the electricity wherever it wants to go and cause electrocution .

When Should I Call A Professional

It is constantly a good idea to call a professional when dealing with electrical work. If you aren ’ t surely how to shut off your world power or isolate the might to the area of rectify, then it ’ south best to call a accredited electrician. They will be able to work more cursorily than you since they have the experience and cognition .


When dealing with electrical projects, you should always consult a license electrician in your area. If you aren ’ thymine surely precisely what is needed for your microwave installation, then you can constantly reach out to us. We will be happy to inspect your electrical needs while doing a home inspection in the Houston, TX area.