Most specs today are written by
the Legal Department, with no
understanding the technology.
Working voltage can vary greatly,
depending on how the cable is
terminated.
Years ago, I used an IR Scope
(Sniperscope) as an IR Detector.
I fed the 10KV it needed through
RG-59, terminated in MHV connectors.
When connected to the supply
and the scope there were no
issues and it worked for several
years until the tube finally died.
One caution, do not step on the
coax. The results will stay with
you for a very long time.
73, Dick, W1KSZ
On Mon, May 13, 2019 at 5:01 PM Joe <nss@mwt.net> wrote:
> Interesting,
>
> I was curious on this also, so Googled it and Pasternack has a datasheet
> for RG-213U
> and it says it is only 5K
>
> Max. Operating Voltage(VRMS): 5000
> https://www.pasternack.com/images/ProductPDF/RG213-U.pdf
>
> Joe WB9SBD
>
> On 5/12/2019 12:13 PM, Steve Thompson wrote:
> > I think 213 will take that easily. It was a while ago, but I'm sure
> > that I couldn't detect any leakage on 213 with my tester maxed out at
> > 16kV. A local 'maker' group used it to repair a 35kV lead on a laser
> > cutter. As far as I know it's working ok.
> >
> > Good quality RG58 should take 8kV without any problems - again, I've
> > had it at the limit of my tester. I suspect the cable working voltage
> > specs are often derived from connector limitations.
> >
> > Steve
> >
> >
> >> Does anybody know how much max V is on RG-213 ? Like what are the
> >> results if a hi-pot tester used..
> >> and say cranked up to the point where just a few microamps occurs
> >> . I have an application where I need a HV
> >> cable, less than 10 ft, that will easily handle 5700 / 7700 vdc.
> >> It will be hardwired at both ends, no HV connectors. And with braid
> >> peeled way back from the center conductor, like 2-4 inches . The
> >> plan was to also wrap some red electrical tape every few inches
> >> along its entire length, to readily identify it as a HV cable.
> >>
> >> Tnx.... JIm VE7RF
> >
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> >
> >
>
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