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Re: horn ring lube
On Mon, 29 Mar 1999, Robert Myers wrote:
> Yeah. Seems to be something of a misnomer. The term dielectric refers to
> what would normally be called an insulator. The grease should be
> conductive for this purpose. IME, a "dielectric" grease is used for
> purposes requiring a conductive grease and is, in fact, conductive.
> Amazing, huh? :-)
Hi, Bob...
It is amazing, indeed. If I'm remembering basic electricity correctly (I
may not be, 'cause it was a long time ago!) the term "dielectric strength"
is a measure of the point at which a substance changes over from an
insulator to a conductor. Everything is a conductor at some point; that's
how lightning works, for example.
I've wondered about this very thing for some time. It seems at the very
least a poor use of language. (Well, maybe it *isn't* so amazing after
all...)
Carlyle
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