Usacomp2k3 wrote:I guess if I'm messing with full voltage electricity at main feeder line (150A @ 240V would hut. Alot), I'm probably going to want to not DIY. Also I would need the power company to come out and pull the meter to be able to replace the main breaker with a different setup.
EDIT: I like something like this: https://www.amazon.com/Reliance-Control ... 00AHTWRDM/
While not quite as scary, note that you will still be messing with 150A @ 240V lines as that is what feeds the main breaker box. Yes, you can de-energize them at the service breakers, but turning those breakers back on can still be a very energetic experience if you get something wrong downstream. That said, if you have a spot, outside, you can run the main feed lines coming from the service box through that and "be done with it".
Good luck. Something that seems "simple" up front...