I have seen spilled toner beads from laser printers draw arcs in excess of
an inch.

John Ferrell
http://DixieNC.US

----- Original Message -----
From: <llile@SALTONUSA.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, March 08, 2004 4:14 PM
Subject: Re: [OT:] Vacuum cleaner static?


> I got a monster static shock from my vacuum cleaner just the other day.
>
> You can duplicate this easily:  Spill a large quantity of salt on the
> floor (my wife did this as she was cooking breakfast)
>
> Vacuum it up with a plastic hose
>
> You have just created a wonderful van de Graaf generator.  The dry salt is
> just conductive enough to pull charge out of the nonconductive plastic
> hose, sorta like the rubber belt in a van de graaf.
>
> Next, touch the faucet.  You won't forget the experience soon.
>
> I would keep the metal case intact if you use a vacuum around your
> computer.  Try one of those cans of compressed air.
>
>
> -- Lawrence Lile
> Senior Project Engineer
> Toastmaster, Inc.
> Division of Salton, Inc.
> 573-446-5661 voice
> 573-446-5676 fax
>
>
>
>
> Robert Ussery <uavscience@FRII.COM>
> Sent by: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
> 03/04/2004 04:04 PM
> Please respond to pic microcontroller discussion list
>
>
>         To:     PICLIST@MITVMA.MIT.EDU
>         cc:
>         Subject:        [OT:] Vacuum cleaner static?
>
>
> Hi, all.
>
> In replacing my mom's CD-ROM (see other thread), I naturally had to take
> the
> computer all to pieces. Since this computer hasn't been opened in about 10
> years, it's naturally full of dust bunnies.
>
> How safe is it to take a normal vacuum cleaner to the innards? I'm
> concerned
> that static electricity from the vacuum hose might cause something inside
> to
> die. How much of a concern is this in general? i.e., should I be cautious
> of
> vacuuming the sawdust and metal shavings off of my PIC boards?
>
> If all else fails, I can bring out the compressor and blow all the stuff
> off, but I don't want to have to clean up the subsequent mess.
>
> Thanks for your help!
>
>
>
> - Robert
>
>
> --
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