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Old 07-29-2004, 04:37 PM   #11 (permalink)
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Join Date: Mar 2004
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Devices such as wrist straps, anti-static mats.. work by slowly draining the electrical charge on your body so that when you begin working on the PC, you minimize the risk of "zapping" a component by mistake. The 'Zap' that you hear is the discharge of excess electrons. i.e. your body has a negative charge after rubbing your feet on the carpet... the pc is neutral. that's why you hear the zap... the giving off the extra electron.

Actually i should modify my last statement by stating if you don't have such a tool i.e. anti-static wrist strap, then it's preferable to touch a metal post in your home (something that's GROUNDED) before working on your PC . When you unplug a PC and open up the case, you're working on a ungrounded device... and if your body had built up a sufficient static charge, the discharge could be fatal enough to harm a component inside.

That is the whole purpose of the aforementioned tools.
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