[Boatanchors] Changing from 2 to 3 wire power cords

[Frank Barnes]

This article references the "All American 5" AM Broadcast receivers so
popular in the '50's but is applicable to any device with a "hot" chassis:

https://antiqueradio.org/safety.htm

I've replaced the power cable on my junkyard AA5 with a 2-wire cord, just
like the original, but I marked both the back panel's AC connector and the
plug to indicate proper polarity so that when I plug it in to a properly
wired outlet the chassis side is connected to the white, or negative AC
line.

But I still keep my fingers out of it...



On Thu, Aug 8, 2019 at 2:43 PM Hy Chantz <chantz at well.com> wrote:

> When I was a mere boy : )    CQ Magazine had an article called "The 22
> Watt Monster".  It was a low-power CW transmitter, whose schematic featured
> a grounded chassis and a one-wire plug.  It took me a LONG time after
> pondering it to understand how it worked....
>
> 73
>
> W2HY
>
> ----- Original Message -----
> From: "Wilson Lamb" <infomet at embarqmail.com>
> To: donroden at hiwaay.net
> Cc: boatanchors at puck.nether.net
> Sent: Thursday, August 8, 2019 2:20:34 PM
> Subject: Re: [Boatanchors] Article on changing from 2 to 3 wire power cords
>
> And I thought I'd seen everything!!!
> That's a new one.
> WL
> ----- donroden at hiwaay.net wrote:
> > I recall listening to my uncle's shortwave radio and there was a
> > ground wire going outside and to the metal plumbing pipe.   The AC
> > cord only had one blade on the plug.  I think I was a teenager before
> > I understood how that worked.
> > Don W4DNR
> > _______________________________________________
> > Boatanchors mailing list
> > Boatanchors at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/boatanchors
>
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-- 
Frank Barnes
W4NPN
Chapel Hill, NC
Grid Square FM05
Cell 919.260.7955