It is perfectly safe to run most cables through a wall!
How To Run A Cable Down A Wall. Squeeze the handles of the tool to clamp the jaws down around the cable. If there is a connector on the cable, it's several times more difficult and you.
Running Cables Through Existing Walls - Fine Homebuilding from s3.amazonaws.com
It is perfectly safe to run most cables through a wall! Running electrical cable inside finished walls starts with marking the framing and planning the best cable route. Expect to cause some damage in a when you are drilling through a wall, you don't want to drill into an electrical cable.
More than likely, this wall will be filled with insulation that will make fishing a cable very difficult.
More than likely, this wall will be filled with insulation that will make fishing a cable very difficult. Extra conduit is not a bad idea. Really, the only cable you absolutely should not run through a wall is a standard power cable that plugs into an outlet. If there is a connector on the cable, it's several times more difficult and you.
