Can a Refrigerator and Microwave Be on the Same Circuit?

Microwaves and refrigerators are heavy-duty appliances that use large amounts of energy and therefore need to be powered by a dedicated circuit. A dedicated circuit is designed for use by only one appliance.



Appliances such as microwaves and refrigerators need circuit wiring that can carry a large enough current. The wire and circuit breaker size depend on whether the appliance requires 120 or 240 volts of power.


Microwaves and refrigerators should each have a properly grounded circuit with a 15/20 amp circuit breaker or fuse and a #14 gauge house wire at minimum.


It is always recommended that microwaves and refrigerators have their own dedicated circuits. Depending on the area, local housing codes may mandate specific wiring requirements.


A professional electrician can help determine the best wiring setup for your kitchen appliances.


If a microwave and refrigerator share a circuit, frequent tripping of the circuit breaker may be experienced or, worse, melting of the electrical wire and a potential fire.

Sarah Dawn

Sarah Dawn is a freelance writer and business professional who lives in Dallas. She has a bachelor's degree in business administration and a master's degree in human relations from the University of Oklahoma. She currently writes business, culture, education and health articles for Demand Studios.