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Re: SWITCH



Big difference between dc or low frequency ac and rf burns.  High frequency 
wants to ride on the surface of the conducting object (skin effect).  You 
do not get as much of a shock as a very bad burn that does not want to heal 
very fast.

Norm

At 05:34 AM 12/13/99 -0700, you wrote:
>Original Poster: ross andrews <sflourine-at-home-dot-com>
>
>
>
>         I was under the impression that current makes all your muscles 
> contract
>- making you unable to let go of anything.  But all my experience deals
>with neons and lamp cords - is it different with high frequency?
>
>Tesla List wrote:
> >
> > Original Poster: "J. B. Weazle McCreath" <weazle-at-hurontel.on.ca>
> >
> > Hello Eric:
> >
> > I've been using a simple setup since I first started playing with coils
> > that has worked very well for me.  I mounted a contactor (another name
> > for a heavy relay) and a 24 volt transformer in a metal box with a long
> > length of zip cord going to a hand held push button.  I put some small
> > R.F. chokes on the button leads and a couple of bypass caps to ground
> > to keep the high frequency stuff at bay.  The box has a regular three
> > pin power cord and a single grounded receptacle.
> >
> > Pressing the button allows the 24 volts to close the contactor and apply
> > power to the T.C.  If I should happen to take a hit from the coil, I'll
> > drop the switch and the juice will be cut off instantly.  The transformer
> > I used to operate the contactor has a tapped primary which allows it to
> > be operated from either 120 or 240 volts.  When my coils get bigger and
> > require more power, I'll just rewire the primary and change the power in
> > and out connectors to 240 volt units.
> >
> > 73, Weazle, VE3EAR/VE3WZL
> >
> > Listening: 147.030+ and 442.075+
> > E-mail:    weazle-at-hurontel.on.ca
> >            or ve3ear-at-rac.ca
> > Web site:  www.hurontel.on.ca/~weazle