Run electrical cable through walls and across ceilings without tearing them apart.
Can You Run Power Cable Behind Wall. You can find a number of other cable management systems here. This makes it much easier when running.
Tips for Coaxial Cable Wiring | Family Handyman from www.familyhandyman.com
Of course it's illegal to run power cords inside walls. Electrical cable safety zones when concealed inside walls. Can the cables be simply.
If you own your own home, you can install cable plates by mark where the plates will go.
Did that in my bedroom for my speakers next to my bed. All the low voltage stuff can run parallel to each other but never mix your romex with your data/av stuff. None of our interior walls have insulation in them either. Just pried it up a bit, tucked.
