Earlier quoted context omitted.
> For those who don't know these are stoves that have on board batteries allowing them to generate, for a period of time, far more heat than an ordinary house circuit would be able to power. Depends on ordinarity of a house. My ordinary house has 3phase power and my pretty cheap induction stove outperforms all gas stoves I had. When I was living in a flat, I only had single phase power, but 4kW should still be enough…
> In USA you typically only have 110V Surely stoves are connected to the 220 V connection? Same for washers and dryers. 110 V in the US is one arm of a centre tapped secondary.
Yes, except the washers.