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Re: [Amps] tarnish or corrosion?

To: amps@contesting.com
Subject: Re: [Amps] tarnish or corrosion?
From: "qrv@kd4e.com" <qrv@kd4e.com>
Reply-to: qrv@kd4e.com
Date: Sun, 23 Apr 2017 13:07:36 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Is this the stuff?

https://www.walmart.com/ip/CAIG-DeoxIT-D100-Metal-Electric-Connection-Cleaner-D100L-2DB-Enhancer/130981358

DavidC KD4E

SE NH is likely as humid as FL what with all the salt water fog and coastal storms plus all the road salt.
That is what they make DeOxit for.

I use the D-100 version on automotive and yard equipment connectors and havent had a problem in years.

Apply sparingly, that means a small drop, plug/unplug several times to break the oxidation, and go on your merry way.

Carl

I have a hot and humid year round weather.  I have lots of problems with
some kind of material that gets on exposed plugs and sockets that
interferes with electric conduction.
That is, plugs normally kept in their sockets stop conducting.

The small plug/sockets between boards inside the Alpha 87a are a real
example--as is my use of Cinch Jones plugs/sockets on a patch panel for
rotors.  Other plugs too, same problem.

These plugs use metal and somehow they lose good conduction either in
constant "plugged in" state or "in and out."

Because these type of plugs have a "wiping action," I can fix the problem
by plugging in several times.  Then they conduct fine.

Question: There is no sign of real corrosion and no pitting nor change in
the metal, so what is cause of this problem?

The metal looks ok or perhaps tarnished.  What is tarnish and how is it
different from corrosion?  Web is vague.

Tnx 73, Charly
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