[colug-432] Phone Line Connections

[Joshua Kramer]

In a past life, when landlines were more common, the yellow and black
supported a second line.  This is how you could have a two-line phone with
only one plug.

On Wed, Feb 8, 2012 at 5:36 PM, Angelo McComis <angelo at mccomis.com> wrote:

> Tom,
>
> Red and Green are all you need. Yellow and Black are deprecated.
>
> Because phones use DC voltage, polarity matters when splicing and
> patching it all together.
>
> --
> Angelo
>
>
>
> On Feb 8, 2012, at 5:33 PM, Tom Cranston <thomas.w.cranston at gmail.com>
> wrote:
>
> > Hi
> >
> > A little off subject, but not entirely.
> >
> > I am connecting 5 phone recepticles in different parts of
> > the house to my phone line. The line coming from the box on
> > the outside of the house has four wires, red, green, black,
> > yellow. The l9ines coming from the different recepticles
> > have the same. Bare ends under the house. I cut open a
> > phone cord used from the recepticle to the phone it has
> > only 2 wires, Re and green. What are black and yellow for?
> >
> > I am using a Barrier strip to connect all the lines to the
> > wire coming from the phone companies box. Seems like all I
> > need is to connect the red to red and green to green and
> > leave the others unconnected.
> >
> > Tom
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