To be code compliant you must use a power transfer kit like what is shown here or simply have a licensed electrician install an ac outlet behind your tv. This way you have the best of both worlds.
Commercial Electric Flat Panel Tv Cable Organizer Kit
Running tv power cord through wall. 4 it is actually an electrical code violation to pull the tv power cord through the wall. They can cause electrical fires if there is a cut or another issue with the cable or device. Because were only making an in wall extension cord there isnt any reason to turn off the power. Ok so are you ready for the tutorial. Cut off the end of your extension chord leaving at least two inches of wire length from the power circuit or plug end of your cord. Running anything with power other than in wall rated power wire romex in the wall is against code and will void your home owners insurance iirc if a fire were to occur.
Youre supposed to have a new electric socket installed directly behind the tv where you can plug in. If you ran the tv cord through the wall there must be an outlet receptacle nearby. Really the only cable you absolutely should not run through a wall is a standard power cable that plugs into an outlet. At the time i didnt know that running your tvs power cable inside the wall is not up to fire code. In other words running power cords through the walls is not a substitute for permanent wiring. These cables will heat up more than most other cables.
Even low voltage speaker wire that isnt in wall rated is a no no. The cord can later be reattached once it is routed through the wall. This is the perfect solution to have the aesthetics you want in your home and being sure that your family is safe. Feed the wires through the retro fit single gang box and then screw in the screws to secure them. The installation was very straight forward and simple to follow. It is perfectly safe to run most cables through a wall.
Hiding the cord while remaining within code and not having any future problems. If so you can add a receptacle rather easily behind the tv. Might be safe as can be but i wouldnt do it. In other words it makes it easy and safe to run your power cable. Cut two holes place the unit in the wall and run the cable. This cut lets you move the wire through the wall without having to make a large hole to fit plugs or power strips through the wall.
It was around 60 and well worth the price tag. In a nutshell it allows you to run 120v through the wall without needing to run the wires along a stud.