Originally Posted by RTROSE
If you run conduit to the PJ location you need not worry about anything as you can always run more or less and replace cables as needed.
I would say if you have everything open and conduit is easy to run, then go for it. But we are definitely at the final frontier of cable connections, with most of the "future" cables essentially a way to transmit HD protected content over a standard networking wire, called HDBaseT: http://www.pcworld.com/article/20030...et_cables.html
Having three Cat-6 wires (or Cat-5e) would most certainly provide the needed duplication should one of the wires fail. At some point signal, data, control and PoE (if needed) will all probably under one standard networking wire. I can't wait for the day when all equipment "plays nice" with one another and is easily and reliably controlled....
So barring any physical failure of your HDMI 1.4 cable, however improbable, you will actually be using LESS of the wiring bundle I had recommended sending to the projector, essentially mothballing all of the other wires.
One other point I failed to raise before - keep the 14/2 as far away from the signal wire as possible - one foot away at a minimum if would be ideal - and if you do have to place the wires close, make sure to make the intersection of power and signal wires as perpendicular as possible.