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Re: [TowerTalk] RG-213 Hi Pot ?

To: towertalk@contesting.com
Subject: Re: [TowerTalk] RG-213 Hi Pot ?
From: jimlux <jimlux@earthlink.net>
Date: Fri, 10 May 2019 21:30:00 -0700
List-post: <mailto:towertalk@contesting.com>
On 5/10/19 9:51 AM, Jim Thomson wrote:
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 ma 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.


1/2" coax (RG-8, RG-213, etc.) will easily take well over 10kV. more like 50 kV. There's a whole family of HV connector schemes that are basically a drilled out PL-259 with a banana plug on the end of the extended dielectric/center conductor, so you have a good 2-4" of surface creep distance.




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