...and for encoder cables, you may want shielded twisted pair (has a foil
layer under the jacket).  I've had issues with unshielded twisted pair
picking up motor EMF and adding extra encoder counts.  ;-)

On Mon, Oct 17, 2016 at 10:45 AM, Chris Albertson <albertson.ch...@gmail.com
> wrote:

> But today in real life, no one makes their own patch cables.  But every
> installer has to make their own terminators for the on-wall cable because
> you can't pull wire that has a bulky connector on it.  So the only tools
> and parts they commonly sell are for the in-wall kind of solid wire.
>
> As for oil resistance, Buy the "plenum" type.  They use teflon insolation
> and don't cost that much more.    These are sold because of fire codes in
> some kinds of buildings, they don't create toxic smoke in a fire.  Yes they
> do make Plenum patch cables with flexible wire and no PVC.
>
> On Mon, Oct 17, 2016 at 10:10 AM, Przemek Klosowski <
> przemek.klosow...@gmail.com> wrote:
>
> > On Mon, Oct 17, 2016 at 12:40 PM, Chris Albertson
> > <albertson.ch...@gmail.com> wrote:
> > > Ethernet patch cable might work. .....  Don't try and make you own.
> > The pre-made ones come in any
> > > length from about 12" to 25 feet and they have those over molded train
> > You're absolutely right about buying cables---the cost is so low that
> > it doesn't make sense. The patch cords actually get down to few inches
> > (3-4"), which is great for local cabling in tight spaces.
> >
> >
> > >The common kind of RF45 termination tools work only with the
> > > solid in-wall kind of wire so don't use them.
> >
> > Actually, it's not the termination tools, but the terminals and plugs
> > themselves---they are still insulation-displacing crimps, but the
> > shape of the spades is different. In the beginning of the computer era
> > we used to make our own cables and used the same tools with different
> > plugs---it was a PITA because they looked the same (translucent
> > plastic). Unless you opened a new marked box, we used to inspect the
> > connector and it wasn't easy---you had to squint at the shape of the
> > tiny gold-plated terminals through wavy plastic.
> >
> > If you used the wrong type for your wire, you'd get a broken wire
> > touching the terminal by a tension in the plastic insulation: it might
> > work for a little bit, but eventually the lack  of gas-tight
> > metal-metal connection would cause it to fail.
> >
> > I'm saying this because someone might actually make a patch cable in a
> > pinch, and that's what you have to pay attention to.
> >
> > ------------------------------------------------------------
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>
>
>
> --
>
> Chris Albertson
> Redondo Beach, California
> ------------------------------------------------------------
> ------------------
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