[AMRadio] 220 vac line

[Craig Heaton]

The "installing is a 20 amp 3 wire (two hot, one ground)" is a little
confusing. I was thinking of my old Johnson 500 & Desk KW. In those manuals
the term grounded neutral is used, (then at that time 110VAC), and is needed
for the fans, etc.

So if the device/service is for 240VAC then the two hots and a ground (bare
wire/green wire) is good info.

Craig,



-----Original Message-----
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of roy wildermuth
Sent: Sunday, July 24, 2011 8:41 PM
To: Discussion of AM Radio in the Amateur Service
Subject: Re: [AMRadio] 220 vac line

Rick,

I use 4 wire connecion.  Black and Red are Hot, White is neutral and Green
is chassis Ground.  Using romex you would use the bare wire in place of
green


Roy Wildermuth

On Sun, Jul 24, 2011 at 9:43 PM, Rick <rickb at tx.rr.com> wrote:

> I'm sure this has been discussed but my memory refuses to let the info go.
> I
> am wiring a 220 VAC line into the new shack and I am uncertain about the
> neutral and ground wires. I installed a new sub panel complete with
> isolation buss bar for the neutral (white) wire from the 220 outlet. The
> new
> sub panel has the neutral buss bar grounded to the main panel ground buss
> bar. This is the way I understand it is supposed to be. The outlet I am
> installing is a 20 amp 3 wire (two hot, one ground) unit. My concern is,
do
> I use the bare ground or the white neutral wire for the ground lug on the
> outlet? Also, do I simply leave the unused of the two (white or bare)
> disconnected in the new sub panel?
>
> Thanks for any assistance and advice.
>
> Rick / K5IAR
>
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