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Re: [Amps] SAFETY WITH HIGH VOLTAGE

To: peter.chadwick@Zarlink.Com
Subject: Re: [Amps] SAFETY WITH HIGH VOLTAGE
From: "Harold B. Mandel" <ka1xo@juno.com>
Date: Mon, 23 Aug 2004 11:49:03 -0400
List-post: <mailto:amps@contesting.com>
Dear Peter,

On very close examination of the wirewound that measures fifty some odd
ohms,
there IS a pinhole through the ceramic, about midway on the body of the
resistor!

Thank you.

Hal Mandel
KA1XO

> I'd agree that the 53 ohm one sounds suspiciously low: I suppose 
> it's
> possible it arced from turn to turn and fused that way. can you see
> anything wrong with it on a visual inspection? The usual reason for 
> open
> circuits in wirewounds is, I was told by a manufacturer,  
> frequently
> corrosion where the coating has a pinhole.
> 
> These days, I use two bleeders in parallel, and even then, I don't 
> trust
> them!
> 
> 73
> 
> Peter G3RZP
> 
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