Quote:
Originally Posted by Donj
The prongs, as well as the mating receptacles are coated with a grey substance, almost looks like it is plated on. Problem is it appears to be a damn good insulator.
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I wonder if that coating wasn't some sort of contact lubricant that decided to morph into something else after a few decades.
Before running a drill into the contacts, I'd experiment and see if the coating can't be dissolved with a cleaner first.
John