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[Towertalk] copper strap vs aluminum strap

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Subject: [Towertalk] copper strap vs aluminum strap
From: (Pete Smith)
Date: Mon, 29 Jul 2002 14:20:26 -0400
At 01:04 PM 7/29/02 -0400, wrote:
>Given the discussion of copper strap for grounding purposes,  and knowing
>that the conductivity of Aluminum is very very near that of copper .... is 
>there any reason
>one shouldnt use the much-more-available aluminum strap instead of copper?
>I realize that there's the issue of dissimilar metals, but that seems to be
>manageable with the appropriate product....
>I've always understood that the big difference is that aluminum oxide 
>isn't conductive, while brown copper oxide is... hence the difference in 
>copper and aluminum house wiring.  I don't see, though, why a combination 
>of Noalox and appropriate weatherproofing couldn't nullify this and the 
>dissimilar metals problem.

73, Pete N4ZR

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