How To Run Wires Through Roof

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.

How to run wires through roof.

You can seal it but it s always going to be a weak spot. 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. Normally wiring not accessible does not need to be in conduit. Wireing through metal roof and wiring code my personal preference is to not put holes in roofs if possible.

See how i ran a new rear view camera cable the full length of the rv along the chassis a. Better to come out of wall then go up to the roof. Run the conduit over the edge and bring it in through the gable end or eave. If the sites that you want to run wire to are on the outside of the house you should not need to drill a new hole.

Please refer to these above options as a guide only. If you run the conduit cables over the side of the roof or down over the gutter that seems to be pretty ugly. The next step is to run the solar or antenna cables into the rv through the new access hole. 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.

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. That way water can not stand around the penetration and eventually work its way through. This is the least favorable option as it is not reversible. Run the cables through the roof access.

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

Thanks all it s a little confoosing. As soon as you have a hole you are providing a path for water. 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. In this video we install a roof mounted wiring box with waterproof cable glands.

The best way is to go around the roof not through it.