> Three phase will cost a lot. There's also going to be a premium
> to pay if you try to get service that's over what they consider
> "standard household" - especially if the local transformer
> and feeder won't handle it.
Yeah, that's a bit of a concern right now.
> Remember, the service into the box doesn't have to be the sum
> of the breakers in the box!
True, but it does have to be the sum of the loads in the house, once you
apply the various NEC demand 'derating' factors, right?
By the time you get two ovens, a scattering of 220V outlets, a hot-tub
pump, and a few other things I'm forgetting right now, ours looks like ~350
amps. Not that we'd be running anything like that on average, but there's
the potential for some big peak loads.
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