Feeding Wire Through Insulated Wall

Support cables at 4 1 2 inch intervals with appropriate staples or clamps.

Feeding wire through insulated wall.

If you need to fish a larger cable or bundle or if your buddy is going to feed the cable to you from above or below thread a pull cord through the bull nose. Running a cable down an insulated cavity wall. Feed cables through the holes. 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.

Be sure to leave enough slack on both ends to make connections. 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. Fishing wires through a wall can be tedious but in most cases you only need a couple of basic tools. 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.

Then pull the cable through the wall plate and out the next wall box opening. Run the free end of the cable to the next stud cavity location. 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. Push the tongue into the wall and feed it through until it appears at the other end.

Feed it up to the 3 by 5 inch hole at the top of the wall. Here s where you can get piano wire. I ll be showing tricks to cut lots of time off fishing wires in walls. If the wall contains insulation try to fish the wire between the outer paper or plastic cover and the wall.

If there is no cover press the wire against a stud and use it as a guide. Keep the fish tape against the inner edge of the drywall and out of the insulation as you feed it toward the upper hole.