Run Wire From Basement To Attic

Rewiring 2nd floor from the attic.

Run wire from basement to attic.

My home was built in 1941. It seems no matter what you will have to open a couple walls but might not be as bad as you think. Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe. 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.

If you re working from the attic you can drop a weighted string down wall cavity then attach the wire to the string and pull it through. When necessary use existing ducts or pipe runs to get wires from the attic into the basement. Attach the wire or cable to a fish tape or coat hanger using electrical tape and feed it into the hole until it reaches the opening at the other end. While one person holds the flashlight the other person should use a staple gun to run the wire along the rafters from one entry hole to the other.

You can get different sizes of pvc and you can run 2 3 lines in one run. Whenever i do attic wiring i remove the insulation and staple it to the ceiling joist. On the first floor run wires up the wall from the basement. I replaced an old flood.

I was also under the impression that if wiring is in an attic space that it may need to be derated because it can get very hot up there. Wires running across joists in attic. Bring all of the wire up into the attic. 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.

On the second floor run wires down the wall from the attic. If this meets code then i will be running attic wiring in this manner from now on. The staple gun should be loaded with wire staples designed for holding the size and type of wire you are running. From inside the living space position the bit against the wall directly above if accessing from attic or below if accessing from basement the desired location of the service the cable will provide.

Wires and attic floorboards. I recently installed a motion sensored security light in the back of my house. Run the wire or cable to its destination. To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.