Amps
[Top] [All Lists]

Re: [Amps] power supply transformer

To: "Peter Voelpel" <df3kv@t-online.de>, <g3rzp@g3rzp.wanadoo.co.uk>,<kg7hf@comcast.net>, <amps@contesting.com>
Subject: Re: [Amps] power supply transformer
From: "Tom W8JI" <w8ji@w8ji.com>
Date: Sun, 4 Feb 2007 07:40:05 -0500
List-post: <mailto:amps@contesting.com>
> On a correctly built direct rectified power supply there 
> will be ALWAYS
> neutral/ground hardwired to chassis ground.
> This can be forced by a two-pole mains relay which only 
> gets energized with
> correct polarity on the wall plug.
> The "ground" side of the amp then will never be at 120V 
> above ground.

Not if the device meets codes.

A neutral is not allowed to be connected to exposed chassis 
or to the safety ground anyplace except at the mains panel.

73 Tom
 


_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>