Quote:
Originally Posted by BigBird05
Dielectric grease is an electrical insulator, not a conductor.
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Yes, it is insulator. It insulates the connection from moisture and corrosion.
If the connection is solid, the grease gets pushed out of the contact points, especially when you are using a star washer.
It is not completely necessary but it helps to prevent corrosion, that's why I use it for grounds that are exposed to the elements.
I've been doing it for years, it works great. Opinions vary, I guess.