[sdiy] Discharging CRT, was: Modular Video?
GothGeek Sysadmin
xyzzy at sysabend.org
Sun Sep 16 13:00:57 CEST 2001
On Fri, Sep 14, 2001 at 03:24:08PM +0200, Ingo Debus wrote:
> > These days I aligator clip an electricians screwdriver (insulated down as
> > far as the tip) to the earth strap/outer coating of the tube and put that
> > near the opening, or under the rubber cap if present, and let that take the
> > zap. Needless to say, this is done with the mains power disconnected!
>
> Isn't it better to put a resistor in series, 1k or so? I think the
> discharge current could be pretty high otherwise.
>
> BTW, I read somewhere people have knocked off the neck of the CRT while
> being zapped...
For high voltages like that, unless you like fireworks you probably want
more like 1meg resistor...
At a lab I used to work, we had lines painted on the floor for how far
you'd get thrown by various voltages... people thought we were weird...
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