In the example described here we running a simple loop of wire from one new wall box location to another such as you might do when extending a circuit.
Run recepticle from attic to outside wall.
When necessary use existing ducts or pipe runs to get wires from the attic into the basement.
Place a staple or strap within 12 inches of each box and at intervals not exceeding 4 1 2 feet between those two staples or.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.
Running wires inside rigid conduit.
When there is no flooring to walk on other than the edges of the trusses consider bringing a piece of plank or two you can lay across the trusses as a walkway.
On the second floor run wires down the wall from the attic.
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.
With a flashlight examine the attic and locate the path that you will use to run the wire between the two locations.
See figures 1 2 3 wall space includes the following.
Familiarize yourself with the footing situation.
Secure the cable to the wall using cable staples or cable straps.
2 receptacles shall be installed so that no point measured horizontally along the floor line in any wall space is over 6 feet from the receptacle.
Commonly called the 6 ft.