[TowerTalk] Oxidized copper

[Gerald Caouette]

Coper to copper oxide  also is a rectifier  
ok as long as you dont mind  the extra interferance 
caused by local AM broadcast stations etc

Good clean soldered connections are the best 


Regards
Gerald Caouette
9116 - 79 Street
Edmonton, Alberta
T6C 2R4

de
ve6nap@rac.ca

On Friday, November 10, 2000 7:51 AM, K0FF [SMTP:K0FF@ARRL.NET] wrote:
> 
> 
> > I recall reading somewhere that copper oxides are conductive, which is why
> > copper house wiring doesn't have the same problems as aluminum does.
> > That being said, I'm wondering if you couldn't use a small copper split
> nut
> > to firmly attach two copper antenna conductors to one another without the
> > need for soldering.  I realize that the connection would tend to come
> apart
> > under tension, but purely for electrical purposes, would it work (at HF
> > anyway)?
> >
> > 73, Pete Smith N4ZR
> 
> Pete, I'm following up with a question to the group concerning the fact that
> copper oxides MIGHT be conductive. Does anyone have info on this? I know
> silver tarnish is conducive
>  and was told once that it was the only oxide(or is it sulfide?) that was/
> 
> Meanwhile there's millions of those spilt nuts (Kearny's) out in the weather
> doing a fine job on copper electrical wire that looks pretty dark to me.
> 
> I use regular wire nuts when repairing the Bev wires, and with good results.
> Every time I simply twist the wire together and leave them without some
> treatment like a wire nut or solder, there is a problem.
> 
> ***UPDATE...I may have answered my own question. Got out the grandkids penny
> collection and measured all the black pennies...they are conductive but the
> one green one was not at all conductive> I guess the type of corrosion has a
> lot to do with it.
> 
> 73 Geo>K0FF
> 
> 
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