Chafe protection is also paramount, regardless of what size the wire is or where it is running. I use spiral wrap on a majority of my wire runs, anchor all wires every 6-12", and use 1/8" Hypalon rubberized material as a "wrap" whenever cable passes thru a metal hole. To me, chafe on these rigs with the kind of usage we all put them thru is the #1 enemy of a stable and reliable electrical system.
SG
SG