When you start wiring switches and LED's what type of wires do you use?
I presently use UTP cable as I get 8 wires per cable. And I use the full orange for the ground/common pole.
I think:
Phidgets calls the negative pole GROUND and is denoted by a G on the circuit board.
CP Flight MIP board calls the negative pole COMMON
What cable/wire system do you use?
What color system do you use?