I would look at the three conductor wire for a new installation and then use
the wire nut or tape on it.
The cost difference might not be that much and maybe the next item you place
there will want 110v.
Rich White St. Joseph, IL USA
'63 TR3B TCF587L
That ain't a scrap pile, that is my car!
> Date: Wed, 9 Dec 2009 23:46:20 -0500
> From: marka@maracing.com
> To: shop-talk@autox.team.net
> Subject: Re: [Shop-talk] Wiring a new compressor.
>
> Howdy,
>
> On Wed, 9 Dec 2009, John Mitchell wrote:
> > I just received a new Ingersoll Rand compressor which in 220V single
> > phase. The problem is the box has only 2 wiring connections, L1 and L2.
> > There's also a greenish screw at the back of the box, which I assume is
> > for the bare ground wire. So where does the neutral wire go? The
> > instructions are pretty useless. John Mitchell
>
> I'm not an electrician but...
>
> Sounds to me like its a normal straight 220vac motor. It takes 110vac on
> one line and 110vac on the other line (making 220vac). The green screw is
> for the safety ground. Since there are no 110vac loads in the compressor,
> there's no need for a neutral wire.
>
> If you're running new wire, just run standard /2 wire in whatever guage
> you need for the amperage. If you have an existing wire run, I'd leave
> the neutral wire disconnected (and taped/wire nutted over to prevent a
> short to something else). If you have an existing outlet, just connect
> nothing to the neutral leg on the plug.
>
> Again, not an electrician, but that's what I'd do in my own house.
>
> Mark
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