In some cases you may be able to fish the wire in front of the closed cell foam but in others the drywall may have to be removed to get the wiring where it needs to go.
How to fish electrical wire through walls with insulation.
If you drill too early you ll end up creating a large insulation cotton candy cone which will make retrieving your bit difficult if not impossible.
Tape the end of the fish tape tightly onto the cable with electrical tape.
Now that you know no matter what insulation you have in most cases you can still work the wiring through the existing insulation in the walls.
Bes manufacturing s wire python is a good example.
Run electrical cable through walls and across ceilings without tearing them apart.
Attach the cable you want to pull on the wire leader.
Grab the wire as it emerges from the hole.
Reel and wind the fish tape which will pull the electrical wire along with it as it snakes through the wall and ceiling.
Fishing wires in insulated walls.
The klein tools 240 ft.
Make sure the tape is smooth so the cable can slide through the opening.
Pull the cable through with a fish tape.
Carefully extend the fish tape from one opening to the other.
73 15 m steel fish tape is perfect for wire runs associated with commercial residential and voice data video audio installations.
Pull an additional 2 to 3 feet.
A paddle magnet and a wire leader magnet.
For more in depth informatino about running fis.
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.
These magnets are so strong that they will easily grab each other and let go through the sheetrock.
Keep the fish tape against the inner edge of the drywall and out of the insulation as you feed it toward the upper hole.
The optimized angle of the case design reduces payout effort and fatigue while also reducing binding.
Learn how with this video.
The tool consists of two parts.
5 attach the wiring in the 3 by 5 inch hole to the end of the fish tape.
Multiple position handle design allows for a firm steady grip as you pull the tape from the case.
Then retract the fish tape to pull the cable through.