George:
Do you think the key to your quest for details basically goes back to 'brand xxx GTO with integral sleeving, and brand xxx components can create a damp/wet location neon wiring method?
Out of curiousity, does Paige have the 'accessories' or only the cable?
A sign trade source around my area is N.Glantz & Sons, basically if they don't have it, or can't get it, it's not destined for a sign shop.