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Re: Why I need (or thought I did) copper hardware . . .



Original poster: "Dr. Resonance" <resonance-at-jvlnet-dot-com> 


A 3/8 inch dia. brass bolt should handle the current without heating.

Dr. Resonance
-dot-com>
 >
 > Thanks for all the responses.  I probably should have explained why I need
 > (or thought I needed) the copper hardware to begin with.
 > I've made a few MMC enclosures using PVC Type I material and on each side
of
 > the enclosure (which is vented now for cooling) I had
 > a standard 1/4-20 steel bolt for an electrical connection.
 >
 > This was to be used for the ISSTC II coil i recently finished and found
that
 > these steel bolts are getting so hot that they are actually melting the
 > PVC material.  They are RED HOT!   I have eliminated induction type
heating
 > with them, so resistive losses is the only other culprit here.
 >
 > Using a better bolt would hopefully solve this problem (copper, brass,
 > aluminum ? ? ?)
 >
 > Thanks
 > Dan
 >
 >
 >