In most cases you will also need to drill through a wall stud as described below.
How to run wire through walls horizontally.
Learn how with this video.
If there is no way to avoid fishing your wire horizontally you will likely need to cut through the drywall.
A small cut with a penknife is usually enough to let you guide the wire through.
Another option is to run wiring up or down through the wall plates and into an unfinished attic or basement or crawlspace.
A decent stud finder is a must have for every wire fishing job but don t throw it back in your pouch after you ve located the studs.
Run electrical cable through walls and across ceilings without tearing them apart.
Check the whole wall cavity with a stud finder.
The laying out of cables after wall finishing seems a bit challenging to many but it can be one of the most effortless processes if instructions and the required safety measures are put in place.
I ll be showing tricks to cut lots of time off fishing wires in walls.
In the unfinished space you can run the wiring horizontally then back down or up into the wall stud cavity where you will install the new outlet switch or another device.
If surface mounted wiring through conduit is unacceptable you can run new wire through the walls and finish it almost invisibly once the job is complete.
Here s where you can get piano wire.
Run electrical cable through walls and across ceilings without tearing them apart by fishing wire.