Prob 12 3 and 12 2.
Getting wire from attic to basement.
Well getting the wires up to the attic was easy.
For a chimney flue the wire should be 12 from the flue.
It seems no matter what you will have to open a couple walls but might not be as bad as you think.
I recently installed a motion sensored security light in the back of my house.
From the attic lower the fish tape all the way to the basement connect your wire and then pull it back through.
My home was built in 1941.
You can get different sizes of pvc and you can run 2 3 lines in one run.
All i had to do was take a piece of 3 4 pvc pipe into attic and extend down the chase until i hit the foam at second floor and.
Split level home wiring goes up from the panel to an attic wood panel the length of the house then down to the circuits.
If you have a rigid line then you can open up one wall on second floor to drill to attic and first and then drill up to first from basement.
Secure the wires tight using wire staples at both the bottom and top of the run to make sure that the wire doesn t bow in the middle and get close to the flue.
The presumption is that the cable run will be looped from one box location down or up into a basement crawlspace or an attic then across floor joists before entering the stud cavity where the next box is located.
Contrary to what i was told there wasn t a chimney at all but the home owner had the house built for him and showed me the plans that had an hvac chase added into the design from the basement to attic.