Troubleshooting • 6 min read
Breaker Keeps Tripping: Causes and When to Call an Electrician
Learn why breakers trip, what homeowners can check safely, and when repeated breaker trips point to overloaded circuits, faulty devices, damaged wiring, or panel issues.
A breaker trips to protect the circuit. One trip may be caused by a temporary overload, but repeated tripping is a warning sign that should not be ignored. The cause can range from too many devices on one circuit to damaged wiring or a failing breaker.
Why breakers trip
Breakers are designed to shut off power when the circuit draws too much current or when a fault is detected. This helps reduce the risk of overheating, shock, and fire.
The most common causes are overloaded circuits, short circuits, ground faults, damaged cords, faulty appliances, moisture, loose connections, and aging panel components.
What you can check safely
If a breaker trips once, unplug devices on that circuit and reset the breaker. If it stays on, one appliance or too much load may have caused the issue.
Do not keep resetting a breaker that trips immediately. Repeated resets can make the problem worse and may hide a serious electrical fault.
When to call an electrician
Call a licensed electrician if the same breaker trips repeatedly, the breaker feels hot, you smell burning, lights flicker, outlets are discoloured, or the trip happens with very little load.
You should also call before adding high-load equipment like EV chargers, hot tubs, basement suites, kitchen appliances, or workshop circuits.
Why the cause matters
Replacing a breaker without finding the cause is not a proper repair. The issue could be in the circuit, appliance, wiring, connection, or panel.
ACDC Electrical Tech troubleshoots the circuit, identifies the likely source, and recommends the correct repair rather than guessing.
Quick Answers
Is a tripping breaker dangerous?
It can be. The breaker is doing its job by shutting power off, but repeated trips may point to overheating, damaged wiring, or a fault that should be inspected.
Should I replace the breaker myself?
No. Breaker and panel work should be handled by a licensed electrician. The panel contains energized components and must be repaired correctly.
Can an EV charger trip a breaker?
Yes, if the circuit is undersized, installed incorrectly, overloaded, or if the charger settings do not match the breaker and wire size.