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Re: [OT] USB, electronics and ground
Just thinking aloud...
Does your UPS have a plain filtered outlet i.e. one that is not
battery-backed?
Maybe if you connect the other devices to that it would give them all
the same earth potential?
HTH,
Tim.
On 9/6/06, Paul Gale <groups@xxxxxxx> wrote:
> I seem to have a problem with ground or earthing here. When I plug in
USB devices to my main PC, I get small sparks between the shield and the PC
case. This sometimes causes the PC to hang (not surprisingly!). I guess I
have different ground signals between various kit????
>
> The PC is powered from an APC smart UPS and the other USB kit is on a
mixture of standard power strips and surge protected strips.
>
> Any ideas?
>
> Thanks,
>
> Paul.
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