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Article #21528

Re: HV Cap Fun!

#21528
From: Steve Willner
Date: Mon, 29 May 1989 17:36
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From article <3806@mit-amt>, by rdsnyder@mit-amt (Ross D. Snyder):
> A word of caution: The HV supply and caps were in a steel cabinet
--no doubt carefully grounded--
> with safety interlocks on the access panels.  The relay was in
> another steel box within the cabinet and had an interlock on its
> door.  Don't just throw together a kludge.  If you're going to
> build one of these, do a good job and insulate everything and use
> HV wire, lots on silicone sealant, and bleeder resistors across
> your caps.

The above is absolutely right; pay attention!  And one more: Make
sure you have a fiberglass stick, a couple of feet long, with a
well-grounded contact on one end.  As soon as you open a cabinet,
grasp the stick (by the end _opposite_ the ground!) and touch the
ground to every terminal of every capacitor.  Normally this does
nothing, but it produces an interesting :-) effect if any of your
bleeder resistors has gone bad or if you left the power on and your
interlock has failed.
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References: <3806@mit-amt>

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From: willner@cfa.HARVARD.EDU (Steve Willner)
Newsgroups: sci.electronics,sci.physics
Subject: Re: HV Cap Fun!
Message-ID: <109@cfa.HARVARD.EDU>
Date: 29 May 89 17:36:49 GMT
References: <3806@mit-amt>
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