[TowerTalk] Best Way To Clean Copper Ground Wire for Erico Cadweld Connection?

[Keith Dutson]

In the welding process the materials are melted together, not bonded like
mechanical connections.  The tarnish, and other contaminants, will be
vaporized.

But, to answer the question about removing tarnish, I use a combination of
wire brush and sandpaper.  Scotch-Brite also works quite well.

73, Keith NM5G

-----Original Message-----
From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of WA7NE
Sent: Friday, July 17, 2020 11:36 PM
To: TowerTalk at contesting.com
Subject: [TowerTalk] Best Way To Clean Copper Ground Wire for Erico Cadweld
Connection?

I'm installing a number of ground rods to be connected by 2 awg stranded
copper wire.   I plan to use Erico's OneShot for making the connections.
My 2 awg stranded copper wire is a bit tarnished so I'm inquiring about the
best way to clean it for Cadwelding.

 

Is something like Brasso or Noxon followed by a wire brushing sufficient or
is there a better way?  I know there should be no contaminants left on the
wire.

 

Thank you,

Wayne / WA7NE

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