Have a helper reach into the cavity through the box hole grab the end of the cable and pull it out about 1 foot into the room.
How to run cable through walls from basement.
The worst cable runs occur when walls do not line up from floor to floor or you have to sidestep heavy beams and posts.
Then fish your wire from the basement to the top of the wall and pull it through into the room.
From inside the living space position the bit against the wall directly above if accessing from attic or below if accessing from basement the desired location of the service the cable will provide.
Hurry to the next floor now and drill a hole in the bottom wall.
Lay down the mounts at least 4ft apart.
Drill through on the other side.
Learn how with this video.
Attach the wire or cable to a fish tape or coat hanger using electrical tape and feed it into the hole until it reaches the opening at the other end.
If your joists are not running the right way then try running the wire in a different wall instead.
Finding the best route from the existing cable to the destination.
For example in exposed locations such as open basements or attics nm cable usually needs to be run through holes or notches cut in joists rather than stapled to the face of the joists.
You may encounter nails so choose an auger drill bit which won t get damaged by metal.
If you re working in a crawlspace you can use a flex bit drill to drill this hole from several feet away.
Pull the e thernet cable to its destination and you re set.
For more in depth informatino about running fis.
Mount the cable to the walls of the basement.
Connect the cable to the required devices and the work is complete.
If you have another floor to go you can follow the same steps in the same order.
Using a hammer and chisel notch a path in the top plate of the wall so that a wire can be run from the wall to the ceiling.
If you re working from the attic you can drop a weighted string down wall cavity then attach the wire to the string and pull it through.
Run the wire or cable to its destination.
Starting from the basement or attic feed the end of non metallic nm electrical cable through the wall plate hole and into the stud bay.
The most important decision of running cable comes first.
Return to the attic or basement and drill through the wall plate where you want to guide the wire through.
Run electrical cable through walls and across ceilings without tearing them apart.