Presumed RF Interference

Steven M. Bellovin smb at
Mon Mar 6 14:49:39 UTC 2006

On Mon, 06 Mar 2006 21:17:17 +1100
Matthew Sullivan <matthew at> wrote:

> (In the 
> UK where I served my apprenticeship, we were required to provide earth 
> bonding to the copper plumbing system, additional bonding at every 
> exposed fitting - this caused a few issues when plumbers first starting 
> using PVC pipes)... 

The US National Electrical Code (which has no national force of law;
it's a model code voluntarily adopted by many jurisdictions) now bars
grounding to pipes except within (as I recall) six feet of where the
pipe enters the building, for precisely that reason.

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