You will need to cut a square of drywall at the very top of your wall in order to give you access to drill through the top plate of your wall.
Run wires not accessible from outside to attic.
The original plan was to run security camera wires up through soffit into attic down into basement but that no longer is an option.
If the wires are within 7 of the attic access hole or along any attic flooring you ll need.
Cut the opening in the ceiling for your new electrical box.
Don t forget to include the vertical distance up to the attic and back down again.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.
Step 2 find your attic access.
You can then splice on a new piece of wire make sure it is the same wire gauge and run the new piece from the junction box back to the fixture box.
Measure the distance between the two sites you want to run wire between and make sure you will have enough wire.
The second method is to run cable.
If you drill holes in the joists and run wire through those holes you ll be disturbing the insulation.
Make the opening about 12 x 12 to give you room to get the drill in.
Running wires inside rigid conduit.
Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well.
One method is to run individual wires in a conduit system such as intermediate conduit rigid conduit or schedule 40 or 80 vinyl conduit.
You will want to run the cable parallel to the direction of the joists.
If sheltered from direct.
I just got back from my attic and realized i can t access the soffit from there.
Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe.