Jim, no Romex, I'm using #14 4 wire SO cord since I had it laying around, I'm making all the splices inside the head lights so I'm using a thermal insulation on the individual wires.
69.5 A12 Bee, first purchased in 1976, car 169 on registry
69 Coronet R/T 440/4 spd
69 Coronet 500 Conv H code 383 4bbl/auto
37 Plymouth PU
Find your spot on earth and ride it.