nanog mailing list archives

Re: shameful-cabling gallery of infamy - does anybody know where it went?


From: "Steven M. Bellovin" <smb () cs columbia edu>
Date: Mon, 10 Sep 2007 11:32:25 -0400


On Mon, 10 Sep 2007 11:00:08 -0400
Valdis.Kletnieks () vt edu wrote:

On Sun, 09 Sep 2007 22:14:23 PDT, Jay Hennigan said:

http://users.tellurian.com/vabello/bathroom-demarc.jpg

On the plus side, they didn't have to go far for a ground.

I have more than once encountered a grounding wire securely fastened
to a 4" wastewater pipe, totally oblivious to the fact it wasn't cast
iron but PVC.

To be sure, the National Electrical Code only permits pipe grounds
within five feet of the building entrance, because of concerns about
plastic pipe use along the route.  That said, you seem to have
encountered people with their clue bit solidly pulled by ground to 0...


                --Steve Bellovin, http://www.cs.columbia.edu/~smb


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