If your walls are.
How to run wires in existing walls and floors.
To run the wires inside rigid conduit you ll need a hacksaw a pipe bender capable of bending 1 2 in.
One solution is to run them behind baseboards and another is to pass them vertically into the attic or basement and run them laterally from there.
When adding or replacing wiring in finished walls most electricians will attempt to make the horizontal portion of the cable run in the unfinished attic or basement crawlspace areas looping the cable down or up through the wall cavity across the floor or ceiling joists then vertically through another stud cavity to the next wall box opening.
Use the electric tape to fasten the e thernet wire to your coat hanger and pull it through the wall.
Alternatively you may run the wire down the last stud in a corner under the floor or into the basement or crawl space and then back up between the studs in the next room.
Pull the e thernet cable to its destination and you re set.
For more in depth informatino about running fis.
Cut through the drywall.
When necessary use existing ducts or pipe runs to get wires from the attic into the basement.
Learn how with this video.
Rigid conduit with an outside diameter of 3 4 in and a fish tape long enough to reach through the buried pipe.
Hurry to the next floor now and drill a hole in the bottom wall.
On the first floor run wires up the wall from the basement.
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.
Then to the opposite action have one person feed the cables down through the hole to the destination while another person pulls the cable out from the wall.
Run electrical cable through walls and across ceilings without tearing them apart.
Feed the wire through the back of the outlet box insert the box in the wall and mount it in place.
If installing an electrical box trace the outline onto the drywall to get the exact dimensions.
Strip the wires and attach them to the wall jack or run them to the device.
Otherwise just draw a rectangle.
Return to the main floor and cut out a piece of drywall where the wire will exit.
On the second floor run wires down the wall from the attic.
Drill destination hole in floor.
If you have another floor to go you can follow the same steps in the same order.
Run the wires through the holes above their respective rooms.