Not bare metal. Metal with protection. I know people who do outdoor wiring
like broadband distribution and solar installations. They don’t use
Vaseline. They use dielectric grease. The two are not equivalent, unless
you are just looking for something colorless and greasy.

Jim

On Wed, Jun 14, 2023 at 7:46 PM Richard Koerner <rjkinpb@sbcglobal.net>
wrote:

> I think either one would work fine in most applications.  The point is:
> just bare metal?, or bare metal with some kind of protection barrier
> against incoming humid air.  Consider a simple 1/4" Male blade connector,
> with a matching 1/4" Female connector.  With some sort of greasy coating,
> the two connect together, metal against metal.  But what is happening is
> that a very tiny fillet of greasy coating forms along both sides of the
> sharp metal to metal connection as the two are shoved together, and this is
> what helps prevent corrosion.  A barrier.  This is my theory anyway.
> Without this coating, you have a very nice crevice for water molecules to
> lodge and start to go to work.
>
> On Wednesday, June 14, 2023 at 05:22:38 PM PDT, Jim Felder <
> jim.felder@gmail.com> wrote:
>
>
> Vaseline does t last very long, dielectric grease does.
>
> Jim
>
> Sent from my iPhone
>
> > On Jun 14, 2023, at 5:27 PM, David McNeely <davmcneely40@gmail.com>
> wrote:
> >
> > vaseline?
> >
> > On Wed, Jun 14, 2023 at 12:41 PM Richard Koerner <rjkinpb@sbcglobal.net>
> > wrote:
>