I have a 2 pair shielded wire with 3.5mm stereo plugs.
You could also probably use S/UTP (Shielded Cat5) but I would still make sure you follow Eric Johnson's suggestion of using all striped wires for ground, then 2 remaining wires for Data and the last 2 wires for +Voltage.
There are 10 types of people in this world, There are those who understand binary, and those who don't!
