Subject: Re: Ok to have dif. volt. rating for my 3 powersupplies for...

>
> Hmmm ... i always thought that the current in USA is 120 volts ?
> so i guess it that unit will supply 40v when a
> 220vac->80vdc tranny is plugged into a 120 socket ?
>
> Lam

In the USA we commonly have 120v and 240V single phase power in
residential areas. The 240v comes from the 2 120v lines brought to
the house that are 180 deg out of phase. Voltages out of phase 180
deg add up. So 120v + 120v = 240v


Wally

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Lam" <lamxyz@s...> wrote:
>
>
> >Message: 11
> > Date: Mon, 14 Feb 2005 01:53:42 EST
> > From: JanRwl@A...
> >Subject: Re: Ok to have dif. volt. rating for my 3 powersupplies
for...
> >
> >
> >In a message dated 2/13/2005 9:52:40 P.M. Central Standard Time,
> >mueller914@y... writes:
> >
> >I bought another power supply from Dan @ Camtronics, rated for
80vdc if
> >run
> >with 220vac......
> >
> >
> >
> >The "nominal" USA AC-supply is 240 volts, NOT 220, and SOMEtimes
it will
> >measure as high as 260! So, if you power an "80 VDC" supply rated
at 220
> >VAC
> >IN, the actual output can be on up there close to 100 VDC, and
that WILL
> >let
> >the magic smoke out of the Geckos!!!!!!!!!!!!!!!!
> >
> >
> >[Non-text portions of this message have been removed]
> >
>
> Hmmm ... i always thought that the current in USA is 120 volts ?
> so i guess it that unit will supply 40v when a
> 220vac->80vdc tranny is plugged into a 120 socket ?
>
> Lam