Re: LF: mains wires

[Elton A Sanders <radiodog77@pobox.com>]

If it was plugged into US 230v both Black and White would be hot. Mains 
feed here is 2 hots and Neutral hot to Neutral 115v hot to hot 230v 
(feed is from a center tapped transformer on the pole).
     WB5MMB


On Mon, 10 Oct 2011 01:25:02 -0000, mal hamilton wrote:
> Bob
> If you look at a Dentron 2500 amplifier on the cct diagram the 230v
> mains cable, WHITE wire goes to the ON/OFF switch on amplifier then
> primary of HT transformer which to me is HOT and BLACK wire goes
> directly to the other side of primary winding, NEUTRAL and GREEN to
> chassis.
> In the UK the switch is always in the LIVE (hot) wire and NEUTRAL
> direct to the appliance except it happens to be a double switch.
>
> UK appliance BROWN live, BLUE neutral, plus an earth wire (3 wire
> appliance)
> mal/g3kev
>
> > ----- Original Message -----
> >
> > Sunday, October 09, 2011 7:48 PM
> > Re: LF: mains wires
> >
> > what I use to keep track
> >
> > Black is hot white is not
> >
> > Bob K3DJC
> >
> > On Sun, 9 Oct 2011 17:09:09 -0000 "mal hamilton" writes:
> >
> > > LF
> > > I have a USA amplifier with 230v input. The mains wires are
> > > BLACK, WHITE, and GREEN
> > >
> > > The cct diagram shows White as the live wire with amplifier mains
> > > switch in this line, Black goes to the other end directly to
> > > transformer primary
> > > and Green to earth.
> > > but
> > > according to USA info the Black wire should be Live and White
> > > Neutral.
> > >
> > > So beware !!!!!!!!!!!!!!
> > > de g3kev
> > ____________________________________________________________