If you have ducted air conditioning in the ceiling of your camper wire could be fished through those ducts.
Running wires through rv roof.
It s best to be close to your battery bank storage area.
See how i ran a new rear view camera cable the full length of the rv along the chassis a.
Camper exterior walls are not hollow and therefore it s often difficult or impossible to run hidden wire through exterior walls.
From the rooftop combiner box i ran 4 awg wire into the trailer through a hole cut in the roof through the microwave compartment down along the side of the refrigerator and into the area where the solar controller would be mounted.
In our most recent installation the fridge was on the opposite side of the rig from the battery compartment.
Run the cables through the roof access the next step is to run the solar or antenna cables into the rv through the new access hole.
Insert the weatherproof cable glands and tighten them down.
I did a painstaking process of trying to wire up a new power panel in our rv.
Do not run wires through heating ducts.
Cable entry gland waterproof cable entry plate fits cables 3mm to 12mm for solar panels motorhomes caravans boats and rv s 4 6 out of 5 stars 78 12 99 12.
Running wires from inside the rv to the roof is usually a snap.
First drill holes in the side of the box for cables big enough to fit the threaded end of the cable gland make sure to leave room for future cables.
In a couple of our rigs this meant simply routing our wiring through the roof vent for the rv refrigerator.
Inside microwave compartment where wires enter trailer from roof top running wires inside.