If there is no way to avoid fishing your wire horizontally you will likely need to cut through the drywall.
Easy way to fish wire through small attic.
Cut through drywall for horizontal fishing.
Be gentle as you fish the cable through the hole since it is important not to tear the sheathing on the.
In most cases you will also need to drill through a wall stud as described below.
You don t want to find out the hard way that you should have fished your wire one stud cavity to the left or right.
Run electrical cable through walls and across ceilings without tearing them apart.
When cutting through drywall from the interior of a room use a utility knife and cut carefully you don t want to drill through a hidden wire or the paper.
A small cut with a penknife is usually enough to let you guide the wire through.
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.
Learn how with this video.
Fish the cable.
How to fish wire through the attic this page explains the steps for fishing wires in a house with attic access which includes most homes having a pitched roof.
Whether you re a professional alarm installer or a homeowner installing a diy security system you ll find some tips here that will make the job easier.
It may take some finessing as the tip of the fish tape blade passes through the drilled hole in the wall plate.
Grab the wire as it emerges from the hole.
If you will need to fish wiring through a wall drill a hole through the wood plate in the attic only.
Reel and wind the fish tape which will pull the electrical wire along with it as it snakes through the wall and ceiling.
And use semi rigid wiring fish tape to pull your wiring down to your outlet location.
For more in depth informatino about running fis.
From the attic or basement pull steadily on the fish tape while a helper feeds the cable into the wall opening.