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James,

I've added a photo to my folder that might be what you are asking
for. It's a common item found at hardware stores and is called
a "wellnut". I imagine it would work like the hole plug at the bottom
of a small boat. You drill the hole, put in the wellnut, insert the
bolt and tighten. The rubber compressess and tightens against the
sholder on the bolt and the sides of the hole. The bolt becomes the
conductor. It's available in various sizes.

Ken Hunter

--- In VacuumX@..., "James Lerch" <jlerch1@t...> wrote:

To implement such a wiring nightmare might be interesting, but I'm

wondering

if I might be able to mass produce some Ceramic electric pass

throughs.

Something that would just require drilling a hole in the chamber,

then drop

the pass thru in, and seal with an O-ring.. (still working out the

details

:) Anyone ever seen anything like this?