[R-390] Power Cords on eBay

Joe Foley redmenaced at yahoo.com
Thu Oct 6 19:44:28 EDT 2005


I'm sure all of this got covered in the Y2K manual. 
That and a lot more.  It should be your first
download, it'll answer a lot of questions, and
probably start even more!

Joe




--- Roy Morgan <roy.morgan at nist.gov> wrote:

> At 12:50 AM 10/6/2005, John Lawson wrote:
> >    If your radio is tripping the GFI with the
> ground pin active, then I'd 
> > hazard a guess that the line filter unit inside
> has developed a leaky 
> > capacitor,
> 
> Not likely (Though they ARE paper caps in there). 
> The line bypass caps are 
> simply acting like capacitors and are not
> necessarily leaking.
> 
> >or other high-resistance leakage path to ground,
> which of course will 
> >upset and trip your protection circuits - it's (the
> GFI device, he means) 
> >actually doing what it was designed to do.
> 
> A leakage path is possible, of course, but unlikely.
>  It normally is the 
> too-large line bypass caps in the line filter.
> 
> The "cures" are:
> 
> 1) Don't use a GFI-protected line.
> 
> 2) Use an isolation transformer.
> 
> 3) Remove the line filter and:
>    A) Rebuild it with smaller bypass caps  or:
>    B) Replace it with a modern IEC (computer style) 
> line cord connector, 
> either a filtered one or a non-filtered one.  or:
>   C) Do away with the filter altogether and cobble
> in an unfiltered, 
> directly connected line cord.
> 
> In ANY case, Please do use a grounded three wire
> line cord for safety.
> 
> Roy
> 
> 
> 
> - Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
> 7130 Panorama Drive, Derwood MD 20855
> Home: 301-330-8828 Cell 301-928-7794
> Work: Voice: 301-975-3254,  Fax: 301-948-6213
> roy.morgan at nist.gov --
> 
>
_____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:R-390 at mailman.qth.net
> Unsubscribe:
> http://mailman.qth.net/mailman/options/r-390
> 



		
__________________________________ 
Yahoo! Mail - PC Magazine Editors' Choice 2005 
http://mail.yahoo.com


More information about the R-390 mailing list