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Re: [Amps] SHV connectors...

To: "PY1NB - Felipe Ceglia" <felipeceglia2@gmail.com>, "Jim Garland" <4cx250b@miamioh.edu>
Subject: Re: [Amps] SHV connectors...
From: "Carl" <km1h@jeremy.mv.com>
Date: Fri, 15 Feb 2013 19:59:27 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
With a quality mil spec RG-58A there should be no problem as Ive hipotted to 5000V and have to agree with Jim. RG-58A has a stranded center conductor and is very flexible and Ive used for almost 25 years at 3500V. Maybe I should replace it to be safe with a new length.

Carl
KM1H

----- Original Message ----- From: "PY1NB - Felipe Ceglia" <felipeceglia2@gmail.com>
To: "Jim Garland" <4cx250b@miamioh.edu>
Cc: <amps@contesting.com>
Sent: Friday, February 15, 2013 5:31 AM
Subject: Re: [Amps] SHV connectors...


Hi Jim,

Thanks for reply. I will give a try for the chinese connectors. I am afraid
of RG58, as by it specs its limit is 1900VRMS.

73,

Felipe Ceglia - PY1NB
-------------------------------------------------------------------------------------
PR1T team member /// Rio DX Group member /// Araucaria DX Group member
http://dxwatch.com /// http://reversebeacon.net /// http://riodxgroup.com


On Wed, Feb 13, 2013 at 5:17 PM, Jim Garland <4cx250b@miamioh.edu> wrote:

Felipe,
I think those connectors (reverse-polarity SHV-BNC) are intended for RG6,
which I believe may be a larger diameter than RG142 (but more flexible). I
think RG6 Quad Shield is very high quality (and inexpensive) coax and
should
work fine. I've bought several of the Chinese connectors and compared them with Kings Electronics connectors, which are ten times the price, and find
the quality to be quite comparable. In general, I think the mechanical
quality of the connector is more important than the dielectric strength of
the cable for voltages less than  5 KV. For instance, I've been using MHV
connectors (now obsolete, with a lower voltage rating) with ordinary RG58
cable for twenty-five years with my 8877 amp and it has handled 4700V
perfectly well.
73,
Jim W8ZR

> -----Original Message-----
> From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of PY1NB -
Felipe Ceglia
> Sent: Tuesday, February 12, 2013 8:46 AM
> To: amps@contesting.com
> Subject: [Amps] SHV connectors...
>
> Hi folks,
>
> I cannot find any reasonable priced source for RG8 sized SHV > connectors.
>
> The fair priced are these ones, from a chinese online store:
> http://www.rfsupplier.com/straight-plug-crimp-5000v-cable-p-1684.html
>

http://www.rfsupplier.com/high-voltage-solder-bulkhead-jack-connector-p-1685
.html
>
> For a 4.5kv@1a  dc power supply, should I use this connector and RG142
> cable?
>
> 73,
>
>
> Felipe Ceglia - PY1NB
>

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