Re: edm

Could this be another example of "THE BEST ADVICE"?

----- Original Message -----
From: Jon Elson <jmelson@...>
To: <CAD_CAM_EDM_DRO@onelist.com>
Sent: Tuesday, October 19, 1999 8:52 PM
Subject: Re: [CAD_CAM_EDM_DRO] edm


> From: Jon Elson <jmelson@...>
>
>
>
> batwings@... wrote:
>
> > From: batwings@...
> >
> > here's a site of interest:
> >
> > http://members.aol.com/lughaid/edm.htm
>
> GASP! DON'T look at that page! This guy is NUTS! He has hooked
> directly from the power mains to his workpiece and electrode, with a few
> lightbulbs and a rectifier diode in series! This is so dangerous, I just
can't
> believe he really did this. (Maybe it is a troll, or he's trying to kill
us!)
>
> Anyway, a transformer for isolation is absolutely essential. What with
moving
> electrodes, tanks of sloshing fluid with oddly shaped workpieces in them,
> and all sorts of other goings on, somebody is bound to reach in and grab
> the electrode, or touch something, or maybe have the work tip over in
> the tank, whatever, and definitely get electrocuted. A double pole
disconnect
> switch just ISN'T enough!
>
> Please, anybody, take my word for it, that you DO NOT want to do it this
> way.
>
> I'm leaving the above URL unobliterated so that you can see what NOT to
do.
>
> Jon
>
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> List Manager
>