Feed the wire through the back of the outlet box insert the box in the wall and mount it in place.
How to run ethernet through existing walls between floors.
Use the electric tape to fasten the e thernet wire to your coat hanger and pull it through the wall.
Run wire through hole.
Hurry to the next floor now and drill a hole in the bottom wall.
Run the wires through the holes above their respective rooms.
After drilling down from the floor above i cut a small hole in the ceiling to find the hole inside the wall from the floor above.
Pull the e thernet cable to its destination and you re set.
When you ve run all the wires up to the attic then bring each one to the hole that it has to feed down through.
If you have another floor to go you can follow the same steps in the same order.
Strip the wires and attach them to the wall jack or run them to the device.
Drill destination hole in floor.
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.