I know that i can do this with the low voltage hdmi cables but i am wondering if i can run a good commercial grade extension cord behind the wall as well so that i can hide the tv s power cord.
Running extension cord in wall.
I would like to hang it and hide the wires behind the wall.
Luckily there are code approved installation kits for running power up inside a wall that do not require and electrician.
3 where run through doorways windows or similar openings.
The air free method uses a plastic channel within the wall as a raceway for your cables to travel along.
Might be safe as can be but i wouldn t do it.
Why is an extension cord unsafe when it is behind a wall but safe when it is laying on your floor.
Running anything with power other than in wall rated power wire romex in the wall is against code and will void your home owner s insurance iirc if a fire were to occur.
But i remember thinking the same thing when i was little and my dad was running some type of metal shielded wires through the wall.
The room layout and the fact that the tv is very thin.
For more on this.
It is perfectly safe to run most cables through a wall.
It also makes the addition and removal of cables easier but limits you to 4 5 cables.
I found this box and my idea was to mount this on the back side of that same wall then run the power cable and other cables like ethernet and audio through a hole in the wall to the back where i can plug everything in without having a wire mess in the front.
Use clean good quality cables and you should not have anything to worry about.
See our blog post why does running a power cord behind the wall for a wall mounted tv violate the electrical code.
I would like to wall mount my tv and have the wall be as clean as possible.
Even low voltage speaker wire that isn t in wall rated is a no no.
Don t even think about running ragged and torn wires.
My wife and i finally broke down and bought a modern flat screen tv.
I truthfully don t know.
No cuts tears etc.
Extension cord flexible cords and cables shall not be used for the following.
400 8 uses not permitted ref.
1 as a substitute for the fixed wiring of a structure 2 where run through holes in walls structural ceilings suspended ceilings dropped ceilings or floors 3 where run through doorways windows or similar openings.
Simply ensure the cables are in good condition before you run them through the wall.