Running Wires Through A Roof

What does the nec say about running the pv wires through the roof.

Running wires through a roof.

Please refer to these above options as a guide only. The actual install of recessed lights here https youtu be 5yc8aqnvqqg the long bit is actually used. Drilling through the roof. The installer ran the wires without properly sealing them and without leaving an option to add future wires.

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. 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. I guess i m not passing it through joists it s going over them so i could argue the case it came to it not that i want to argue with the assessor but y know. Running wires through the roof reply 5 on.

Suggested practices it says. You can seal it but it s always going to be a weak spot. October 02 2013 06 02 35 am you should already have a hole in the roof for 1 1 2 or 2 inch vent pipe for the holding tank and sink drains. The code requirement that the pv source and output conductors be kept outside the building until the readily accessible disconnect is reached indicate that these conductors are to be treated in a manner similar to ac service entrance conductors 690.

The best way is to go around the roof not through it. As soon as you have a hole you are providing a path for water. In this video we install a roof mounted wiring box with waterproof cable glands. Run the cables through the roof access.

Looking at the pv power systems and the 2005 nec. Better to come out of wall then go up to the roof. Thanks all it s a little confoosing. The next step is to run the solar or antenna cables into the rv through the new access hole.

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.