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Author Topic: Another Static Electricity Question...  (Read 6617 times)

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Offline motrucker

Re: Another Static Electricity Question...
« on: May 25, 2010, 05:52:30 AM »
To not ground yourself is just asking for a problem! Ground yourself to the best ground available, usually your properly grounded outlet - with a good quality wrist strap.
You would be amazed at how much voltage a static charge can have. The other values are usually very low, but this is enough to fry many chip types instantly.
I am always amazed at people who love to play with fire...

PS - 50,000 volts is possible! - 25,000 is fairly common. Think your chips can take that?
« Last Edit: May 25, 2010, 06:00:34 AM by motrucker »
A2000 GVP 40MHz \'030, 21Mb RAM SD/FF, 2 floppies, internal CD-ROM drive, micromys v3 w/laser mouse
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Offline motrucker

Re: Another Static Electricity Question...
« Reply #1 on: July 11, 2010, 12:14:03 AM »
Quote from: xyzzy;569840
One small point, if you're going to ground yourself to a low-impedance source, like mains earth or a metal case, then do it through a high-value resistor, so that if you do accidentally touch a high-voltage circuit you don't end up fried.

Even better, use one of these:

http://en.wikipedia.org/wiki/Antistatic_wrist_strap

Never seen a commercial wrist strap that didn't incorporate a resistor in it.  Not really for your worry though...
A2000 GVP 40MHz \'030, 21Mb RAM SD/FF, 2 floppies, internal CD-ROM drive, micromys v3 w/laser mouse
A1000 Microbotics Starboard II w/2Mb 1080, & external floppy (AIRdrive)
C-128 w/1571, 1750, & Final Cartridge III+