Feeding Wire Through Insulated Wall

Make sure to use approved attachment methods drilling holes through joists or stapling the cable where required.

Feeding wire through insulated wall.

Feed it up to the 3 by 5 inch hole at the top of the wall. Then pull the cable through the wall plate and out the next wall box opening. Here s where you can get piano wire. 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.

Run the free end of the cable to the next stud cavity location. If the wall contains insulation try to fish the wire between the outer paper or plastic cover and the wall. I ll be showing tricks to cut lots of time off fishing wires in walls. 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 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. Support cables at 4 1 2 inch intervals with appropriate staples or clamps. Running a cable down an insulated cavity 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.

Feed cables through the holes. If there is no cover press the wire against a stud and use it as a guide. Strip the end of the sheathing attach the wires to the fish tape and tape them in place. 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.

Be sure to leave enough slack on both ends to make connections. 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.