Thread wires past insulation.
Fishing wire through wall with insulation.
A decent stud finder is a must have for every wire fishing job but.
Attach the cable you want to pull on the wire leader this has a hook for the wire with a strong magnet attached.
Then using short pulling motions pull the leader magnet right.
Run electrical cable through walls and across ceilings without tearing them apart.
If there is no cover press the wire against a stud and use it as a guide.
The tools you need.
Keep the fish tape against the inner edge of.
Flex bits are great for.
Fishing electrical wire through walls check the whole wall cavity with a stud finder.
Learn how with this video.
While handling fiberglass insulation wear gloves eye protection and a mask that covers your mouth and nose.
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Fishing wires through cellulose cellulose insulation can be easy to fish the wiring through with the fish tape if it is loose fill but if it is glued in then it is significantly more difficult.
Feed it up to the 3 by 5 inch hole at the top of the wall.
Flex bits and glow rods are the go to tools pros use for fishing wires.
For more in depth informatino about running fis.