How To Run Conduit From Basement To Attic

I would like to run 1 1 4 conduit from the basement to the attic in a new house to run telephone and cable tv cables.

How to run conduit from basement to attic.

It s just the meter outside mounted on the exterior of the home then the wires run up the studs into the attic then down into the utility room where the breaker panel is located. I only have the basic idea that it s going to run inside walls and can be used in the future for running wires from basement to each floor. The only spot i can run a pvc conduit from basement to well almost to the attic is alongside a forced air heating duct. Is this a fire issue.

Builder can put in an 1 1 2 pvc conduit from basement to attic for 412. Could anyone explain the benefits of this conduit. Okay fellas i replaced the main 4 soil vent stack from the basement up through the roof in my solid masonry 1942 colonial home. If you have access to your basement crawl space and attic you should be able to run wires without having to cut patch any drywall.

I would also like to run conduit in each room on the top floor to the attic. Ambient temperature would apply running through walls or through a basement. On the second floor run wires down the wall from the attic. On the first floor run wires up the wall from the basement.

Attics are much hotter than ambient so you now have two different ampacity situations to consider. Each room would have a wall plate but the end in the attic would be open. Do i need to pack each end with some sort of fire stop. I am in ontario canada.

In addition since you re exposing that feeder to attic temperatures you may have to increase the conductor size as per 310 15 a 2.