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[TowerTalk] New Tower Grounding Spec (ANSI/EIA/TIA-222-F Jun 96)

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Subject: [TowerTalk] New Tower Grounding Spec (ANSI/EIA/TIA-222-F Jun 96)
From: (John D. Peters)
Date: Thu, 24 Apr 1997 23:18:21 -0700
> W3LPL wrote:
> >
> > As a matter of interest to Towertalkians, the new version of EIA/TIA-222
> > specifies that copper wire SHALL NOT be used for ground wires, ground rods
> > or ground clamps.  All new towers installed under EIA/TIA-222
> > specifications must use galvanized ground rods, galvanized steel wire (ie
> > guy wire!) for grounding conductors, and galvanized connectors or
> > exothermically welded connections.  Tinned copper wire may be substituted
> > for galvanized steel wire when the conductor must be buried.  Bare copper
> > is no longer allowed in any grounding application, either at the tower
> > base or at the guy anchors.
> >
> > This change came about as a result of research that demonstrated that
> > copper ground rods in proximity to tower foundations and steel guy anchors
> > tended to accelerate the corrosion of the steel members, leading to sudden
> > catastrophic failure!
> >
> > 73
> > Frank
> > W3LPL
> >
> --
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Thanks Frank.

I presume that this change is only of interest to those with GUYED 
towers?  I can see no reason to change from #4 solid copper wire, or 
copper strap to copper clad steel ground rods if the tower is self 

The legs of my tower are certainly not corroding away to "pencil" 

Is there some other consideration that might apply to self supporting 

73 John K1ER

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