Inside microwave compartment where wires enter trailer from roof top running wires inside.
Safely run wires thru rv roof.
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.
Camper exterior walls are not hollow and therefore it s often difficult or impossible to run hidden wire through exterior walls.
For sure drilling the roof is last resort.
I don t really have a problem with the roof penetration since it s a detached uninsulated garage.
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.
If you have ducted air conditioning in the ceiling of your camper wire could be fished through those ducts.
Barring that you can run the wire down the vent and tap into the actual pipe down where you can route it to your charge controller while sealing up the pipe.
In this video we install a roof mounted wiring box with waterproof cable glands.
Heat is not our friend when dealing with electricity.
Do not run wires through heating ducts.
It seems you would need a pretty large roof penetration to run the conduit or cables directly through the roof.
Secure the panel to the roof.
Pop the cap off your grey or black tank vents and see if theres room to fish your wires next to the pipe.
How do you keep wires hidden in your rv.
The installer ran the wires without properly sealing them and without leaving an option to add future wires.
See how i ran a new rear view camera cable the full length of the rv along the chassis a.
Screw the panel to the roof.
The proper sealant depends on your roof material so if you re not sure which type you need check with your rv dealer or manufacturer first.
If using brackets apply a sealant under each bracket to create a water tight seal.