On Saturday, January 30, 2016 at 10:41:25 AM UTC-8, John Kuthe wrote:
> On Saturday, January 30, 2016 at 10:48:09 AM UTC-6, Ed Pawlowski wrote:
> > On 1/30/2016 10:37 AM, John Kuthe wrote:
> >
> > > And it ALL gets pulled from the same single power cable which leads to your house!! Normally 3 phase 240V I think. But every house is different!!
> > >
> > > John Kuthe...
> > >
> >
> > Never was 3 phase in a residence. Industrial, commercial, yes.
> > Residential has 3 wires, two 120V and a neutral.
>
> I'm not an electrician, just an Electrical Engineer!
>
> Much like the difference between an optomitrist and an opthalmologist!!
>
> I know this much, electric service to a residence almost always comes in in one CABLE! Multiple conductors in that one cable, but... ;-)
>

AC circuits were not part of the EE curriculum? No wyes or deltas?

The 220 coming into your house is split phase. The hot leads are 220 between
them, or 110 between either and neutral. Ideally there would be equal loads
on each leg.