Re: HV xray cable revisited

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>



Mike:

We stock "Big Red" which is a 125 kV BIL single conductor cable that 
can just lay directly on the ground.  It's over 7/8 inch thick and 
most of that is insulation.  It works great --- you saw it in action 
on our purple coil and also Big Bruiser at the Teslathon.

Dr. Resonance




> Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>
>
> Hi Mike,
>
> For a quick reply, "get the cable off the ground and your problems 
> are over". I never allow hv feeds to be tossed along the ground.
>
> Take care,
> Bart
>
>
>
> Tesla list wrote:
>
> > Original poster: "MIKE HARDY" <MHARDY@xxxxxxxxxx>
> >
> > Some time back I had a discussion on the list about stripping off 
> > the black conductive coating that remains after the shield is 
> > removed, for 8" or so on either end of my HV xray cable. It seems 
> > this black coating still arcs if it is in contact to ground, or the 
> > other xfmr lead (14.4 kV). Is this simply distributive capacitannce 
> > causing coupling due to it's use on AC? Do you think this robs alot 
> > of energy? Is it dangerous if layed on damp ground? I find running 
> > the leads thru pvc to the TC cumbersome, and time consumming, when 
> > I want to drag it outside for short runs. Since I want to run my 
> > coil tonight for new years a quick reply would be greatly apreciated.
> >
> > HAPPY NEW YEAR!
> > Mike