[Johnson] AC Circuit Wiring Question

[Gary Schafer]

Yes you did wrong. You should connect the ground and let the neutral float
inside the outlet.

73
Gary K4FMX

> -----Original Message-----
> From: johnson-bounces at mailman.qth.net [mailto:johnson-
> bounces at mailman.qth.net] On Behalf Of Langston, Mike
> Sent: Monday, May 28, 2012 2:22 PM
> To: Dave Maples
> Cc: Johnson List
> Subject: Re: [Johnson] AC Circuit Wiring Question
> 
> Similar question for A/C welder (buzz box). Socket in garage of a brand
> new house is 4 wire. Plug on brand new welder is 3 wire. Installed new 3
> wire socket and let ground float inside the box. Have I done wrong?
> 
> Mike KL7CD
> 
> Sent from my iPhone
> 
> On May 28, 2012, at 12:38 PM, "Dave Maples" <dsmaples at comcast.net>
> wrote:
> 
> > David: If the neutral is bonded to the chassis, then you could have
> some
> > ugliness here.  Current code requirements call for neutral and ground
> to be
> > isolated everywhere except back at the service disconnect, where they
> are
> > required to be bonded together.
> >
> > I would be inclined to put a 4-wire cord on the beast, and a suitable
> 4-wire
> > plug, if you have to operate both 120 VAC and 240 VAC inside the
> equipment.
> > Bond ground firmly to the chassis, and float the neutral inside the
> > equipment.
> >
> > Thanks,
> > Dave WB4FUR
> >
> >
> > -----Original Message-----
> > From: johnson-bounces at mailman.qth.net
> > [mailto:johnson-bounces at mailman.qth.net]On Behalf Of David C. Hallam
> > Sent: Monday, May 28, 2012 10:51 AM
> > To: Johnson List
> > Subject: [Johnson] AC Circuit Wiring Question
> >
> >
> > Not necessarily understanding everything I know, I have a question.
> My
> > Invader 2000 is wired like most other rigs of the 1960's era.  The
> > neutral of the 240V AC is grounded to the chassis and 120V for the
> fans,
> > etc are taken from one side of the line.  I have a 2KVA toroidal
> medical
> > isolation transformer.  It can wired for either 1:1 or 2:1.  Would the
> > use of this transformer eliminate the risk of a hot chassis if
> anything
> > should go wrong?
> >
> > David
> > KW4DH
> >
> > --
> > "Behind closed doors, there is no guarantee that the most basic of
> > individual freedoms will be preserved.  And as we enter the 21st
> Century,
> > the great fear we have for our democracy is the enveloping culture of
> > government secrecy and the corresponding distrust of the government
> that
> > follows."
> >
> > Senators Daniel Patrick Moynihan and Rob Wyden
> >
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