Running Cables Through Plaster Walls
The worst cable runs occur when walls do not line up from floor to floor or you have to sidestep heavy beams and posts.
Running cables through plaster walls. Follow these guidelines to avoid causing structural damage. If there is no open path for the wire you may need to drill through wall studs or ceiling joists. Finding the best route from the existing cable to the destination. Learn how with this video.
Run electrical cable through walls and across ceilings without tearing them apart. It is easy enough to run cables through unfinished basements or attics but running them inside finished walls is another matter. Cabling can be difficult to run at the best of times but what happens when you drill a hole in a plaster wall with the intention of running a cable from the roof cavity down to this hole and find it filled with insulation. The most important decision of running cable comes first.
During major remodeling projects you can do this by removing the drywall and running cables through studs and ceiling cavities but in other situations it is neither practical nor desirable to remove drywall it. Run electrical cable through walls and across ceilings without tearing them apart by fishing wire. Running a cable down an insulated cavity wall. For more in depth informatino about running fis.
Check the whole wall cavity with a stud finder.