...somewhar in the shallow recess of my mind I recall one was to wire
jumpers accross the oil filed caps (meter terminals also) and this
("rebound") is probably the reason why... klc
----- Original Message -----
From: Donald Chester <[EMAIL PROTECTED]>
Date: Friday, June 2, 2006 5:27 pm
Subject: RE: [AMRadio] Shorting stick
To: [email protected]
>
> >From: [EMAIL PROTECTED]
> >
> >I always thought you had to discharge though a high value
> resistance to
> >avoid
> >damaging arcs that would hurt the surface you were discharging
> through a
> >plasma
> >arc.
> >
> >I do remember using a shorting stick in a job I had 20 years ago.
>
> I don't know about a high resistance, but I would be careful
> shorting out
> HV oil caps directly. If a high value capacitor, 25 mfd or more
> is fully
> charged near its maximum voltage rating, sometimes a direct short
> can blow
> the terminal connection open inside the case and ruin the
> capacitor. I
> would suggest a power resistor of several hundred ohms rigidly
> mounted on
> the business end. First, discharge through the resistor, then
> directly
> (just in case that resistor happened to open, per Murphy's law).
>
> Also, I have noticed that HV oil caps will sometimes "rebound"
> after a
> complete dischage and unexpectedly deliver a nasty shock sometime
> later.
> Don k4kyv
>
>
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