[rescue] DC Voltage distro (Was:SGI Challenge L... )

james james at jdfogg.com
Wed Sep 22 15:22:35 CDT 2004

On Wed, 2004-09-22 at 16:09, Ethan O'Toole wrote:
> > Dude, in the US it IS 220V @ 60A. Just cause your outlet has 110V
> > doesn't mean that 110V is what's delivered at the street.
> Oh yea, I was thinking down the track that since all of your appliances
> are 220, they amperage is cut in half therefore 60 Amps of UK power is
> equal to 120 Amps of US power, but of course this is incorrect.
> The house I rent has 200 amp 1 phase service, never had any issues or come
> close to maxed it.
> Office is another story, 100 amp 3 phase service. Not as big as I would
> like it.

100A @ 3ph is like 3 separate 1ph feeds at 100A, so treat it as 300A.
Usually plenty big enough.

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