See figures 1 2 3 wall space includes the following.
Run recepticle from attic to outside wall.
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.
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.
Familiarize yourself with the footing situation.
With a flashlight examine the attic and locate the path that you will use to run the wire between the two locations.
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.
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.
On the first floor run wires up the wall from the basement.
Running wires inside rigid conduit.
Commonly called the 6 ft.
This allows for a maximum of 12 feet between receptacles on the same wall.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.