Short answer
A breaker trips for one of three reasons: too much load on the circuit (overload), a short circuit, or a ground fault. If it trips only when certain appliances run, it is usually overload. If it trips immediately after reset with everything unplugged, there is likely a short or ground fault in the wiring or a device, and an electrician should test it.
Overload: too much on one circuit
Each circuit is sized for a maximum current. Space heaters, hair dryers, microwaves and window AC units draw a lot. Run two on the same circuit and the breaker does its job and trips.
- Trips after a few minutes of heavy use
- Happens with the same appliance combination
- Fix: move a load to another circuit, or have a dedicated circuit added
Short circuit: a wiring or device fault
A short happens when a hot conductor touches a neutral or another conductor. It trips instantly, sometimes with a pop or scorch mark. Damaged cords, loose wires in an outlet box or a failing appliance are typical causes.
Not sure it is safe to keep running? A local technician can check it today.
Call NowGround fault: current leaking where it should not
Ground faults often involve moisture: outdoor outlets, landscape lighting, garages and bathrooms. GFCI breakers and outlets trip to prevent shock. In Lowcountry summers, trips after rain are common and worth tracing.
What you can safely check
These checks do not involve opening the panel.
- Unplug everything on the circuit, then reset once
- Plug devices back one at a time to find a faulty one
- Press Test and Reset on GFCI outlets in kitchens, baths, garage and outdoors
- Note which lights and outlets are dead
When to stop and call
Call an electrician if the breaker trips immediately with nothing plugged in, feels hot, buzzes, smells burnt, or will not stay on. Repeated resetting stresses wiring and can hide a dangerous fault.
Related questions
Can a breaker go bad?
Yes. Breakers wear with age, heat and repeated trips and can start tripping at lower loads, or worse, fail to trip. An electrician can test it.
Is it safe to keep resetting a breaker?
Reset once after unplugging loads. If it trips again right away, stop and have the circuit tested.
Why does my breaker trip when it rains?
Moisture in an outdoor outlet, fixture or damaged exterior cable can cause a ground fault. It should be traced and repaired.
Services that fix this
Circuit Breaker Repair
Breakers that trip, will not reset, buzz or run hot. Diagnosed at the circuit, then repaired or replaced.
Circuit breaker repair in Summerville
Residential Electrical Troubleshooting
Dead outlets, partial power loss, flickering lights and faults that come and go.
Electrical troubleshooting in SummervilleThis guide is general information for homeowners, not a diagnosis of your system. For anything involving gas, carbon monoxide, electricity or active leaks, stop and call a qualified professional.
