The answer to 'why is my generator tripping breaker' is that the generator is likely being overloaded or experiencing a short circuit. This can happen when too many high-powered electrical devices are connected to the generator at once, causing it to draw more current than the breaker can handle. It may also be due to a problem with the generator itself, such as a faulty component or wiring issue.
Some common symptoms of a generator tripping its breaker include the generator suddenly shutting off, the breaker repeatedly tripping, or the generator not providing enough power to run all the connected devices. To troubleshoot, try reducing the electrical load on the generator by unplugging some devices. If the breaker still trips, it's likely an issue with the generator that will require professional repair.