Yea. I tread grease.
But it needs to make metal to metal contact and doesn't work so good electrically speaking.
There MAY be a conductive type that would work.
IDK
"I Don't Know".
I read where the point of dialectic grease is that it will push out of the way on connectors and provide a seal then.
So that doesn't seem like it would do any good lubrication wise.