Fish tapes are the best tool you can find for pushing through holes in a wall. Some fish tapes have hooked ends to grab a second fish tape.
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How to fish tv cables through wall. Run electrical cable through walls and across ceilings without tearing them apart. Pull the cable through with a fish tape. If youre 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. Push the fish stick up through the tube and out of the top low voltage box. Fish tape is a springy steel tape that electricians use to pull wire through walls. Then wrap the remaining ground wire through the rods eyelet and wrap it back around the wires sheathing several times.
Make sure to allow about 2 feet of excess cable at each end. Stretch out the cable and untwist any kinks in it. Extend the fish stick so that it protrudes out of both the top and bottom holes and you can tape it to the wall temporarily. Finally wrap the whole area with electrical tape. Dont go wire fishing without a fish tape. Make sure the tape is smooth so the cable can slide through the opening.
Carefully extend the fish tape from one opening to the other. Learn how with this video. Carefully push the top low voltage box into the wall cavity just enough that you can easily access the tube from the bottom hole. 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. For more in depth informatino about running fish wire and cable through walls please. When you hook cable to the eyelet of a glow rod strip the plastic sheathing back about 6 in then cut off the hot and neutral wires.
Then retract the fish tape to pull the cable through. Tape the end of the fish tape tightly onto the cable with electrical tape. Attach the fish tape to the cable after the blade of the fish tape has been retrieved through the box opening in the wall uncoil enough nm cable to complete the cable run you are planning.