12v light switch / light wiring
I think I have confused myself, and before I close the ceiling up, I need to have clarification... I gutted my travel trailer, and I am down to bare metal, I took pics and documented as much as I cou...
Forum Discussion
From what I can see the white is 12v, it is looped to other fixtures. The black wire on the switch is probably switching ground. Its hard to say, could be the other way around, you need to check it with a meter. Easy to run one between the ground of that electrical fitting and the black on the switch. If you have 12 v then the black is hot. If the switch is sending a ground up, they may have even tapped that electrical outlet for it.
