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Posted by Folkert Rienstra on 09/27/51 11:38
"Sunny" <sunny@nospam.net> wrote in message news:BkgCf.14478$ft2.261114@news20.bellglobal.com
> Folkert Rienstra wrote:
> > "Sunny" <sunny@nospam.net> wrote in message news:5sdCf.14376$ft2.250737@news20.bellglobal.com
> > > Rick S. wrote:
> > > > "Doz" <Doz@Doz.Doz> wrote in message news:kh2pt3wnnthv.1ieq0iogd00wf$.dlg@40tude.net...
> > > > > On 24 Jan 2006 21:35:55 -0800, kegewe wrote:
> > > > > > Kenneth Weinberger
> > > > > >
> > > > > > Hi. For my SCSI and Firewire cables, I use Granite Digital cables
> > > > > > exclusively. Does anyone know where I can find similarly high-quality
> > > > > > USB cables? Ones with good shielding and ferrite chokes?
> > > > > >
> > > > > >
> > > > > > Thanks,
> > > > > > Roger Carlson
> > > > >
> > > > > one begs to ask... why ?
> > > >
> > > > Good question.
> > > >
> > > > The reason Roger can't find USB cables with ferrite chokes
> > > > is because they aren't needed. With most kinds of serial
> > > > communication you'd have to have an insane amount of
> > > > interference to cause a problem. A USB cable is just two
> > > > data lines and two grounds.
> > >
> > > My M$ mouse, Garmin GPS, and Nikon camera all have ferrite chokes on
> > > their USB cables.
> > >
> > > I was a bit disappointed when my OBDII interface cable arrived sans
> > > choke - I would have thought a running vehicle would be a more hostile
> > > environment than anywhere you'd typically use the devices which were
> > > supplied with chokes.
> >
> >
> > Never heard of the Faraday cage, I guess.
>
> I have, but wasn't aware an automobile behaved approximately like one
> until now. Cool.
It was proven again when Richard Hammond of Top Gear put
a car under a High Tension supply line and they drew an arc
of several meters long for half a minute with him sitting in it.
He drove it away after that, fully functional.
Both of them, him and the car.
>
> Sunny
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