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Running extension cord through wall.
No not worth the risk.
It is against the national electrical code to connect extension cord wiring through a hole or opening in a wall inside a dropped ceiling or under flooring.
Warning be mindful of any electrical wires water pipes gas pipes or any other important items running through your walls in the area you want to drill.
Can the tv power cord or an extension cord be run inside the wall.
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.
For more on this.
It is perfectly safe to run most cables through a wall.
Simply ensure the cables are in good condition before you run them through the wall.
Might be safe as can be but i wouldn t do it.
Feed the wires through the retro fit single gang box and then screw in the screws to secure them.
You ll start by bending the first pipe and threading an lb onto the end.
The 10 foot lengths of rmc are threaded on both ends and include a coupling on one end.
See our blog post why does running a power cord behind the wall for a wall mounted tv violate the electrical code.
If the extension cord is visible in both or either of the rooms consider tacking it to the wall and painting it to achieve a more finished look.
Luckily there are code approved installation kits for running power up inside a wall that do not require and electrician.
Because we re only making an in wall extension cord there isn t any reason to turn off the power.
Don t even think about running ragged and torn wires.
Running the conduit through the wall to an inside box is the most difficult step.
Use clean good quality cables and you should not have anything to worry about.