[Boatanchors] Source for High Voltage wire

Geoff geoffrey at jeremy.mv.com
Tue Apr 3 20:25:14 EDT 2012


Quality brand mil-spec RG-58, just strip the jacket and braid; it will 
easily withstand 5KV at DC.

Carl
KM1H


> ----- Original Message ----- 
> From: "John King" <k5pgw at yahoo.com>
> To: <boatanchors at mailman.qth.net>
> Sent: Tuesday, April 03, 2012 5:48 PM
> Subject: [Boatanchors] Source for High Voltage wire
>
>
>>I am reworking a 50+ year old Hallicrafters linear amplifier and need to
>>replace the wire carrying the High Voltage from the rectifiers , High
>>voltage filter cap and bleeder resistors.
>>
>> The wire will be handling about 2,900 DC. Working voltage and a current 
>> of
>> almost 1 AMP.
>>
>> The wire must be insulated to handle the voltage but must be flexible so
>> that it can be flexed around in the amplifier. I know that Coaxial cable
>> is often used in projects but am not sure about the insulated center
>> conductor being able to handle the voltage and up to 1 amp.
>>
>> Three feet will be sufficient if I can find suitable wire. The old wire
>> insulation is breaking due to years and years of heat inside the
>> amplifier. I am afraid it will start coming of if I force it to flex into
>> place again. Any suggestions about the type of wire that is best and
>> available in a small quantity? Thanks and 73, John, K5PGW
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