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Re: [Amps] Power Supply

To: <zr5ag@toti.co.za>, <amps@contesting.com>
Subject: Re: [Amps] Power Supply
From: "Tom W8JI" <w8ji@w8ji.com>
Date: Mon, 26 Mar 2007 18:36:56 -0400
List-post: <mailto:amps@contesting.com>
> The HV power supply described in 27-26 of that publication 
> is without
> any errors or is there something that is amiss?
>
> The earths described do they go to the chassis and then to 
> ground via
> the 220V power supply from the house or straight to the 
> station ground.?

I don't have an 85 Handbook.


The 1988 Handbook I have shows an  " illegal"  ground 
connection in a 2000 volt supply step-start circuit.

It shows improper fusing in a 3500 volt supply.

It is bad engineering to have any power line connected 
circuit depend on a path to the chassis or safety ground.

73 Tom 


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