On Saturday, September 6, 2003, at 05:04 AM, Steve Fuller wrote:
with my sweaty socks on a ceramic tile floor, I fell a slight electrical shock when my wrist touches the edge of the frame. The current is the power supply leakage current, a parasitic capacitive leakage path across the transformer in the AC adapter. While small it is still irritating.
I've had this problem with every PowerBook I've ever owned. With my Pismo, I get it when my fingers stray too close to any seam in the housing, where the internal RF shield paint comes close to the outside world. And I often get it off
My AlBook does not exhibit this behavior, just as an FYI.
Bet it does if you touch bare un-anodized metal, like the shields on the connectors, and you are on a conductive floor. The leakage is from the power supply, and since the power supply is two wire, there's no ground lead to drain the leakage current to earth, hence your body provides this path.
Paul
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