Del Mar Wire & Products stocks a full line of Bonded Parallel Multi Conductor RV and Boat Trailer wire. It Comes in 2 Conductor Black & Red 18ga,16ga, 14ga. 3 Conductor Yellow, Brown, Green 18ga, 16ga, 14ga, 12ga. 4 Conductor Yellow, Brown, Green, White 18ga, 18/16ga,16ga, 14ga, 12ga. 5 Conductor in Yellow, Brown, Green, White, Red 14ga.