Flat-screen TVs look sharp on a wall, at just the right height for viewing in a home theatre. Hiding the power cable and other connection cables inside the wall gives the installation a professional appearance and looks better than several cords hanging below the set. Running the cables inside the wall is possible with a fish tape, a flexible length of coiled metal that becomes rigid when extended. The fish tape can be used to guide cables behind the wall from one hole to another so the TV can be hooked up to an A/V (audio/video) receiver closer to the floor.
- Skill level:
- Moderately Easy
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Things you need
- Cordless drill and drill bit/borer capable of cutting a 1-inch diameter hole.
- Fish tape
Turn off the electricity to the room where the TV will be installed by throwing the circuit breaker. Do not turn on the power until the wiring project is complete.
Mark the wall with a pencil where the cable will enter behind the mounted TV and make a second mark where the cable will exit. Ideally, the two points will be lined up with one straight over the other.
Drill a hole at least 1 inch in diameter at each of the two pencil marks on the wall.
Disconnect the power cable from the back of the TV by grasping the plug and pulling straight out of the jack.
Pull the end of the fish tape from its reel and push the end into the top hole, guiding it straight down toward the bottom hole.
Pull the end of the fish tape out of the wall at the bottom hole and hook the TV power cable through the loop on the end of the fish tape. Be sure to connect the end of the cable that plugs into the TV, not the wall outlet.
Pull up the fish tape at the top hole, dragging the power cable with the tape.
Remove the fish tape and power cable from the upper hole in the wall and detach the cable from the loop on the end of the tape.
Repeat the process to run A/V cables behind the wall using the same holes.
Connect the power plug and A/V cable connectors to the back of the flat-screen while a helper holds the TV.
Tips and warnings
- Install the wall bracket for holding the TV before running cables behind the wall. That way, the hole for the cables will not get in the way of the mounting bracket.
- Do not turn on the power to the room until all work inside the wall is complete.
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