Feeding Wire Through Insulated Wall

Push the tongue into the wall and feed it through until it appears at the other end.

Feeding wire through insulated wall.

If you re fishing a small cable like a security cable you can attach the cable to the end of the rod by threading one of the wires in the cable through the hole in the bull nose. Running a cable down an insulated cavity wall. Use a fish tape or a fish stick a rigid pole for pulling wires when you need to pass them through the wall plates to the floor above or below the one on which you re working. Keep the fish tape against the inner edge of the drywall and out of the insulation as you feed it toward the upper hole.

If the wall contains insulation try to fish the wire between the outer paper or plastic cover and the wall. Then pull the cable through the wall plate and out the next wall box opening. Make sure to use approved attachment methods drilling holes through joists or stapling the cable where required. If there is no cover press the wire against a stud and use it as a guide.

Support cables at 4 1 2 inch intervals with appropriate staples or clamps. Feed it up to the 3 by 5 inch hole at the top of the wall. Run the free end of the cable to the next stud cavity location. The best advice for fishing wires through insulation is avoid it if you can the potential is always there to damage the vapor barrier or bunch up insulation leaving cold spots in the wall.

Here s where you can get piano wire. Strip the end of the sheathing attach the wires to the fish tape and tape them in place. Fishing wires through a wall can be tedious but in most cases you only need a couple of basic tools. I ll be showing tricks to cut lots of time off fishing wires in walls.

If you must fish wires through exterior walls the best tip is to avoid spinning the flex bit until you make solid contact with the wood you plan to. Connect the wire to the tongue by passing it through the hole in the end of the tongue and then folding it back on itself a little bit of electrical tape around the wire wouldn t hurt as there is nothing worse.