How do you troubleshoot a circuit that keeps tripping?

If a circuit trips because it has been overloaded, you can try disconnecting something from the circuit and using another circuit for the electrical power instead. To help determine what caused the problem, unplug all the items on the circuit before resetting the breaker.

How do I find out what is tripping My main circuit breaker?

Quote from the video:
Quote from Youtube video: You may need to call a professional electrician. Broken or dangerous appliances a lot of people are under the impression that circuit overload is the sole reason for a trip breaker.

What is the most common reason for a circuit breaker to trip?

Overloads. Overloads are a common reason for circuit breakers to keep tripping. They happen when you put a greater electrical demand on a particular circuit than it’s capable of producing, or if you have too many light fixtures or appliances going simultaneously.