when I was doing installs, for Audio and Visual stuff. .. we had these labels. Came from Middendorps. They were blue plastic dispensers, and had rolls of numbers in them, going from 0 to 9. so you would wrap them around the cables. Also, they made this tape stuff, that came in a dispenser, that was clear sticy with, a white square at the end. You wrote on the square, then wrapped the clear portion around. Both worked okay.
I just went and looked at their online store for you, it was next to useless. I will keep looking if I find the info I will post it.
okay found something that looked like it, not exactly but close enough, that if you were in Middys you would recognise it.
http://www.cableorganizer.com/wire-marker/and here is what the clear one looked like..
http://www.tselectronic.com/shop/produc ... enser/1326cheers
Wiz