@John in California posted:For model railroading, NO-OX-ID "A SPECIAL" is not a metal coating, it is a metal treatment. It penetrates and chemically treats metals to convert the insulative, naturally occurring, oxide coatings to a surface that is a conductor.
I am correct that Di-electric grease is the exact opposite?? I see that called "tune-up grease" and I use it on spark plug boots.