Pull the wiring through the wall by reeling in the fish tape bringing it out through the hole for the electrical box.
Easiest way to fish wire through wall.
While handling fiberglass insulation wear gloves eye protection and a mask that covers your mouth and nose.
Fishing the wires is quite easy when you attach them with a fish tape or a pull wire.
Thread wires past insulation.
A short length of clothes hanger wire can sometimes make it easier to hook the fish tape and extract it through the wall opening.
Most flex bits have holes in the ends of them perfect for fishing wire.
If you have access to where the flex bit pops out attach your wire directly to the bit and fish the wire through that way.
Grab the wire as it emerges from the hole.
Place the electrical tape over the end of the fish tape eye and wire.
Twist the wire and tape it up to make sure it doesn t come off when you re pulling it back through.
If there is no cover press the wire against a stud and use it as a guide.
If the wall contains insulation try to fish the wire between the outer paper or plastic cover and the wall.
Attach the cable to the fish tape after the blade of the fish tape has been retrieved through the wall opening uncoil enough nm cable to complete the cable run you are planning.
I ll be showing tricks to cut lots of time off fishing wires in walls.
Learn how with this video.
Wrap the bare wire through the fish tape eye and twist the end of the wire around itself.
Pull an additional 2 to 3 feet.
For more in depth informatino about running fis.
Here s where you can get piano wire.