[Boatanchors] AC line plug polarity

[Carl]

The hot and neutral stay as they are, only the ground wire goes to chassis 
ground.

You can also rewire the line bypass caps to prevent a hot chassis if they 
leak or fail. Wire one from hot to neutral and another from neutral to 
chassis ground.

Carl
KM1H


----- Original Message ----- 
From: "Barrie Smith" <barrie at centric.net>
To: <boatanchors at mailman.qth.net>
Sent: Monday, January 04, 2010 5:17 PM
Subject: [Boatanchors] AC line plug polarity


> Hello:
>
> I'm working on an old tube-type amplifier, in hopes of using it as a 
> speech-amplifier.
>
> The unit doesn't have a line cord.  It has a terminal strip that takes 
> care of all the ins-and-outs.
>
> It was built in the 1940s, so the AC in is just two terminals.  I'm 
> thinking of placing a three wire cord on it so that the chassis is 
> grounded.
>
> Fortunately, I have a schematic which shows one side of the AC switched, 
> and the other side fused.  Neither side of the AC is grounded, although 
> the fused side has a .1 cap to ground after the fuse.
>
> The question is:  Where should I place the hot and neutral wires?
>
> 73, Barrie, W7ALW
> ______________________________________________________________
> Boatanchors mailing list
> Home: http://mailman.qth.net/mailman/listinfo/boatanchors
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Boatanchors at mailman.qth.net
>
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com **
>
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html