There are several methods for running cable through finished walls, and the approach you take will depend on the circumstances and how extensive the work will be.
How To Run Tv Power Cable Through Wall. In wall power cable wiring. Don't go wire fishing without a fish tape!
How to fish cables through the wall - YouTube from i.ytimg.com
A cable pass through, a powered cable pass through, and a powered cable pass through with a soundbar module. The worst cable runs occur when walls do not line up from floor to floor, or you have to sidestep heavy beams and posts. Premade cables are really the only way to go unless you're going to run the hdmi signal over cat5.
This is the easiest and most energy efficient system for running tv ez feed system that allows feeding hdmi, coax and gaming cables through the wall effortlessly.
This makes it much easier when running them through walls. Make sure the power is off near the outlet you'll be working with using a voltage tester. By using a if drilling up, through the ceiling, expect to pass through a thin coat of plaster and 5/8 of sheet. (dropping a tv power cord through your wall isn't to code.
