I'll add two thoughts of mine.

I use the exact cable Ira mentioned in his email (not same type, same 
cable. The secret is out - I am Ira's flat-mate), and have not seen the 
network outage described  by Ira. I can think of three possible reasons:
    1. I wasn't paying attention.
    2. There was a change in the laundry habbits of the residents of the 
house since Ira's measurments were taken, or
    3. I have re-pressed one side of the cable.
I'll just add that it is my computer that connects to the internet via 
Ira's, and so it was me who was supposed to notice this effect. Then 
again, my computer is rarely on.

The second thought is an interesting one, though. Wouldn't grounding the 
cable INCREASE the chances of a lightening hitting it? If so, would the 
grounding be enough to transfer the entire lightening bolt to the ground 
without damaging your equipment?

Ira Abramov wrote:

>I have a 10 meter cable hanging between two bedrooms outside the window
>to my flatmate's room. all packets that pass on it are garbled for 1-1.5
>seconds whenever the washing machine it passes next to starts or breaks
>its electric motor (tested with ping -f). I would imagine the same would
>happen with air conditioners etc. also by hanging outside it's
>more exposed to static electricity during storms, which could add DC to
>the line and kill one or both of our NICs. I have had my machine getting
>frozen during a thunderstorm already, by thhis line or by the ADSL, I
>would not know.
>
>whis is cat3 STP, and it probably deserves cat5.
>



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