How To Run Wires Through Roof

Better to come out of wall then go up to the roof.

How to run wires through roof. As soon as you have a hole you are providing a path for water. If you run the conduit cables over the side of the roof or down over the gutter that seems to be pretty ugly. This option is quite self explanatory where a hole is simply drilled through the outer roof skin and wires passed through a rubber grommet into the roof cavity and fed down into the vehicle. Normally wiring not accessible does not need to be in conduit.

I could read the reg s section 2 3 2 from the electricans guide to the reg s to say that if a cable passes through joists it needs to be 50mm from top or bottom or in earther conduit. The best way is to go around the roof not through it. 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. The next step is to run the solar or antenna cables into the rv through the new access hole.

See how i ran a new rear view camera cable the full length of the rv along the chassis a. Wireing through metal roof and wiring code my personal preference is to not put holes in roofs if possible. That way water can not stand around the penetration and eventually work its way through. You can seal it but it s always going to be a weak spot.

How do you keep wires hidden in your rv. I don t really have a problem with the roof penetration since it s a detached uninsulated garage. Drilling through the roof. I am a radio amateur and want to run an antenna cable through my house s tiled roof up by the chimney length of cable run is important and running it down over the tiles over the gutter then up and in through the soffit is too long and there s no way to fix the cable on the 5m run down the tiles.

Please refer to these above options as a guide only. This is the least favorable option as it is not reversible. When cutting through drywall from the interior of a room use a utility knife and cut carefully you don t want to drill through a hidden wire or the paper backing of the attic insulation. Additionally if you ever need to redo the roof it will be a pain to deal with the wires that are now in the way.

Run the cables through the roof access. In this video we install a roof mounted wiring box with waterproof cable glands. Thanks all it s a little confoosing. It seems you would need a pretty large roof penetration to run the conduit or cables directly through the roof.

The installer ran the wires without properly sealing them and without leaving an option to add future wires.