[Hallicrafters] 3-Wire Plug...Uh, sorry to upset some of you.

[W7QHO at aol.com]

OK guys, let's get real here.   Millions of AC/DC radios were used for a long 
time with no history of mass electrocutions.   Ditto two-wire power 
cords/connectors used with electrical appliances generally.   

Jim, don't know how the S-77 is wired up, but if it uses an internal negative 
return (ground) buss insulated from the chassis I would verify the 
installation of this and probably replace the bypass cap to the chassis with a modern 
high voltage unit.   Would then install a modern 3-wire cord with the green wire 
attached to the chassis AND metal cabinet and would fuse BOTH the black and 
white leads.   Would also check the wiring of the outlets I would be using 
which is always a good idea. 

If, on the other hand, one side of the power line is connected DIRECTLY to 
the chassis as is/was the case with certain models of the S-38, I would only 
operate through an isolation xformer.

Dennis D. W7QHO
Glendale, CA

Original message dated 5/10/07 3:53:15 PM, radiocompass at yahoo.com writes:


> Some fervent prayer would be in order as well.
> 
> Mike
> WA4DLF
> 
> --- Charlie <pincon at erols.com> wrote:
> 
> > Sure, just keep one hand in your pocket.  To be
> > absolutely safe, keep BOTH
> > hands in your pockets AND stand on an insulated mat.
> >
> > 73' Charlie k3ICH
> >
> >
> > ----- Original Message -----
> > From: "Jim Brannigan" <jbrannig at optonline.net>
> > To: "Weiss" <smokeythebear at toast.net>;
> > <hallicrafters at mailman.qth.net>
> > Sent: Wednesday, May 09, 2007 6:07 PM
> > Subject: Re: [Hallicrafters] 3-Wire Plug...Uh, sorry
> > to upset some of you.
> >
> >
> > >
> > > OK, Don't shoot me either......
> > > But here is the situation:
> > > I have a Halli S-77 AC/DC receiver, it was my
> > first SW radio and has been
> > > sitting on a shelf for 25 or so years......
> > > Needless to say it needs a lot of TLC.
> > > Way back when I learned not to grab the chassis
> > and a ground.
> > >
> > > WITHOUT an isolation transformer is there a good
> > way for a self taught
> > > experienced technician to fix this radio?
> > >
> > > Jim
> 









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