[TowerTalk] Ground strap to water pipe

[Martin, AA6E]

Some are saying stainless steel is the right stuff to put between
copper and zinc (galvanized).  Rob thinks brass is the right material.
 Zinc to galvanizing (zinc dip) is obviously harmless (no
electrochemistry), but my question is how to connect copper to
galvanized steel.  It's nice to know the Code (no code?), but an
RF/protective ground wouldn't fall under the Code, would it? An
authoritative reference would be nice.

dit-dah-dit-dah-dit

73 Martin AA6E

On 5/10/05, ny6dx at netscape.net <ny6dx at netscape.net> wrote:
> This info is wrong...You need to use a Zinc ground strap to Galvanized pipe.This can be found in the National Electric Codebook.2005 version
> 
> 
> "Rob Atkinson, K5UJ" <k5uj at hotmail.com> wrote:
> 
> >You need a brass clamp on the galv. steel pipe as a go-between for your
> >copper strap. Home Depot sells a brass pipe clamp with the copper hardware
> >attached to bolt your strap to. Or else if you go in the back where they
> >have their ground rods, conduit and other electrical stuff you will find the
> >clamps and hardware to work something out. you just have to fix it so the
> >copper is clamped to the brass, and the brass is on the pipe so the cu and
> >steel don't touch each other.
> >
> >Rob/K5UJ
> >
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martin.ewing at gmail.com
http://blog.aa6e.net