Microwave - Electrical Requirements and Breaker Size
The electrical and breaker size requirements for our Countertop and Over-the-Range Microwaves are as follows:
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The microwaves require a 120 volt, individual, properly grounded branch circuit with a 3 prong grounding type receptacle protected by a 15 or 20 amp circuit breaker or time-delay fuse.
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Over-the-Range microwave models should always be on a dedicated circuit.