[TowerTalk] CADWELD Question

[DB1]

Jeff.....for what its worth, we cad weld cables on to Ductile Iron water 
pipe here for sacraficial anode, and impressed current cathodic protection 
systems all the time, and they do not get coated. Sometimes if we've ground 
away too much of the mastic on the pipe for a clean surface to weld to, we 
may brush it lightly with mastic to stop the rust, but the cad welds do not 
get coated or protected....there is no need.

Derek  VE7RE


----- Original Message ----- 
From: "Jeffrey Okamitsu" <w3kl at w3kl.com>
To: <towertalk at contesting.com>; <pvrc at mailman.qth.net>
Sent: Wednesday, November 28, 2007 9:48 AM
Subject: [TowerTalk] CADWELD Question


> Should one weatherproof (i.e., tape) cadweld
> connections (Cu to Cu) that will be buried?
>
> I personally think it's a waste of time and material,
> but if someone can explain why it's necessary (that
> is, a good cadweld connection will have a lifetime
> less than that of a Cu ground rod embedded in the same
> soil type unless it is weather proofed...and how,
> physically, that could happen), I could be pursuaded
> otherwise.
>
> 73, and thanks for reading.
>
> Jeff
>
>
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