On 10/10/07, John Niven <senseamp at yahoo.com> wrote: > One further point. All "grounding" mats, wriststraps > ect. are NOT directly connected to ground. They > actually have a resistor (100Kohms I think) in series. > If you connect your body directly to ground, you will > increase your risk of death if you accidentally touch > a high voltage. You use a different resistor depending on whether you're wearing a wrist strap or a heel strap. I don't know what the values are, though. -- Rich