My Breaker Trips Every Time I Toast Bread and Make Coffee At the Same Time — Is That Normal?

The toaster and the coffee maker, each used alone without issue, trip the breaker the moment they run together on the kitchen counter. This isn't a sign of a breakdown, but a classic example of circuit overload.
Why it happens specifically with these appliances
The toaster and coffee maker are among the highest-draw appliances in a typical kitchen, each often pulling close to the limit of a standard 15-amp circuit on its own. Used simultaneously on the same circuit, their combined demand exceeds the breaker's capacity, which trips exactly as it's supposed to in order to prevent the wiring from overheating.
The breaker is doing exactly its job
| What many people think | What's actually happening |
|---|---|
| "My breaker is faulty" | The breaker is correctly protecting the circuit from a genuine overload |
| "This is a dangerous electrical problem" | It's a normal symptom of demand exceeding that specific circuit's capacity |
| "The breaker needs to be repaired" | The load needs to be redistributed or a dedicated circuit added instead |
How to confirm it's really an overload
If the breaker trips only when both appliances run at once, and works normally with each used alone, that's the classic signature of a circuit overload rather than a more serious underlying electrical problem.
Simple fixes to try first
Plugging the toaster and coffee maker into two outlets on different circuits, if the kitchen has more than one, often fixes the problem with no electrical work at all. Check the electrical panel to identify which outlets belong to which circuits, information sometimes already listed on the panel's label.
A more permanent fix
If the kitchen has only one circuit serving the whole counter, adding a dedicated extra circuit for high-power appliances fixes the problem for good, an especially useful upgrade for kitchens with several power-hungry appliances regularly used at the same time.
Frequently asked questions
Is it dangerous to keep using both appliances alternately?+
No, using the appliances one at a time rather than simultaneously is a perfectly safe workaround while waiting for a more permanent fix.
How much does adding a dedicated circuit in the kitchen cost?+
The cost varies based on the distance to the electrical panel and how accessible the wiring is — an electrician can provide an accurate on-site estimate.
How do I know which outlets belong to the same circuit?+
Turn off one breaker at a time at the panel and test which outlets lose power — a simple way to map out the kitchen's circuits.
Can other appliance combinations cause the same problem?+
Yes, any high-power appliance like a toaster oven, electric kettle, or slow cooker can contribute to a similar overload on the same circuit.
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More to know before your project.
By Isabelle Roy — RBQ-licensed electrician, residential electrical safety specialist
Updated on July 22, 2026