VTVM 1/4" plugs..

[Bob Hardie- W5UQ]

I just put 1560 VDC on a typical phone plug.  It is even a stereo plug.  
All sections tested.  It didn't show any leakage or signs of arcing over. 

I won't say the test is all conclusive.  Just thought I'd give it a test. 
Bob W5UQ


Kent Kressenberg wrote:
> PJ-055B plugs are often still available... keep an eye on ebay.  
> bought a lot of TWELVE (12) of them a few months ago...
>
> 73 de WB4SYU,
>
> Kent
>
>
> ----- Original Message ----- From: "Keith Harvey" 
> <keith.harvey at PERSONA.CA>
> To: <HEATH at LISTS.TEMPE.GOV>
> Sent: Tuesday, March 31, 2009 8:30 PM
> Subject: VTVM 1/4" plugs..
>
>
>> If you can find some military surplus headsets (oldies) they usually 
>> have a
>> PJ-055B plug. These have a much wider insulating band between the tip 
>> and the
>> sleeve. I have a couple here with a 3mm insulation ring, one of the 
>> Heath plugs
>> has a 2mm insulation. All my "standard" plugs appear to be about 1mm, 
>> depending
>> on where they were made. I have even thinner insulation rings in my 
>> parts bin for
>> guitar cables (OK for audio).
>>
>> Up to the recent exchanges of notes on these I had never really paid 
>> much
>> attention to the insulation rings.
>>
>> Cheers
>>
>>
>> Keith Harvey VA3KRV
>> Campbellford, Ontario, Canada
>> Grid FN14ci
>>
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