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Repair · Diagnosis
A breaker that trips is working. The question is what it found, and there are only four answers. Replacing the breaker without establishing which one is how the same fault returns a month later.
The four answers
An overload is the simplest: too much on one circuit at once. It trips predictably, usually at the same moment every time, and the fix is often redistribution rather than anything electrical, though where it keeps happening a subpanel is sometimes the honest answer.
A fault in the wiring is the third and the one worth finding properly. A short between conductors trips instantly and hard; a ground fault trips a protected circuit the moment moisture or damage is present. Neither is fixed by a new breaker, and both are what an electrical safety inspection is designed to surface.
The fourth is the breaker itself, which does wear out. Thermal elements weaken with age and repeated tripping, and an old breaker eventually trips below its rating. That is a real cause, but it is the last one to conclude rather than the first, and where the whole panel is at that age breaker panel repair is the wider conversation.
How it runs
What is running when it trips, how often, and whether it resets. Half the diagnosis is usually in the pattern.
The circuit is separated and loaded deliberately until it fails, rather than waiting for it to happen again on its own.
Which of the four it is, and where. The repair is quoted separately and you are free to take the diagnosis elsewhere.
Fixed, then tested under the same load that was tripping it rather than just switched back on.
What the visit involves
The diagnostic visit runs $75 to $150 and typically covers the first hour, with rates beyond that in the $100 to $130 range. Figures are example ranges.
Where the trip is on a circuit that has been extended over the years, or where the panel is full and circuits have been doubled up, the answer is sometimes capacity rather than a fault. A subpanel or a panel upgrade comes into it then, and the load calculation says which.
If the breaker trips and will not reset at all, or the panel is warm or smells hot, stop and call rather than book. A hot panel or outlet is a different urgency entirely.
Related work
When the panel rather than the circuit is at fault.
Learn moreWhen it is dead rather than tripping.
Learn moreWhere wiring faults get surfaced properly.
Learn moreWhen the real answer is capacity.
Learn moreCommon questions
Two previous people fitted new breakers. This one found the appliance in under an hour.
Loaded it deliberately instead of asking us to wait for it to happen again.
Found water tracking into an outdoor box. Would never have guessed it from inside.
Explained why the breaker itself was the cause rather than just telling us it was.
From the blog
Next step
Tell us the pattern: what is on, how often, and whether it resets. The diagnostic is priced before we come.
Diagnostic priced up front · Cause in writing · Repair quoted separately