On Tue, 16 Sep 2003, Howard Winter wrote:

> Lawrence,
>
> On Mon, 15 Sep 2003 10:30:19 -0500, llile@SALTONUSA.COM wrote:
>
>
> > The US mains wiring system is the most dangerous by design.    60 Hz is
> > the perfect frequency to defribulate the heart.  120 volts is the perfect
> > voltage to make your arm muscles grab on reflexively, but won't knock you
> > away.
>
> Good grief, I'd never heard this!  I always thought our 240V / 50Hz was inherently more dangerous.  I have had
> a few mains shocks

  Then you haven't felt how good is for your muscle a 220V DC from an
accumulator !!! I can tell you is the most horrible thing you may ever
feel. This kind of supply is used in some plants for no interrupt supply
of automation. The problem comes just when one accumulator pole have an
accidental short circuit to the earth...

Vasile

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