[Boatanchors] Source for High Voltage wire
David Knepper
collinsradio at comcast.net
Tue Apr 3 19:41:39 EDT 2012
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David Knepper, W3CRA/W3ST
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----- 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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