Re: High voltage leads from coax

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net> 

RG58 is 50 ohm coax and has a polyethylene (sp?) insulation.
RG6 is 75 ohm coax that uses foam to get the impedance up.

RG8 is thick heavy stuff and also is 50 ohms with polyethylene insulation.

Gerry R



 > Original poster: "Arpit Thomas" <neko4-at-dodo-dot-com.au>
 >
 >
 > So, conclusion - rg58 appears to have solid insulation, use this with
care.
 > rg6 coax seems to have foam insulation. when you can pull long bits of
 > sheath off in one go, and your knife slices through the insulation like
 > butter, you have foam. no go.
 > More wire tests to follow! Please don't take 15kv safety to be any
 > indication of higher voltage suitability.  Also, you MUST overdesign the
 > wires, as seen with the foam, they may not arc through straight away,
 > however if one gets rubbed a bit, who knows what'll happen. THe fire
 > intensified by electricity is an interesting demo, and soemthing which has
 > been performed at my house many many times , usually to my annoyance :)
 > have a go at it with an old neon sign transformer, you'll be impressed!
 >  > >  >  >
 >  > >
 >
 >