What did you use to connect it to the house?That sounds like a good test. I do have one. I ran a line to my shed and have it there. Working in a mechanical, electrical situation all my life I was never good at maintaining a gas engine's fuel. I know go figure. Every time I needed it there was failure of some sort so I went lp gas battery start honda 6500 Watts. I have to manually shut the main and plug it in the shed. It runs the whole house if I don't get stupid.