If you have access to your basement crawl space and attic you should be able to run wires without having to cut patch any drywall.
Running wire into attic through garage wall.
And use semi rigid.
One method is to run individual wires.
The proper way to run wiring on the exterior wall of a house.
You ll need two wires one white and one black for one circuit or more if you intend to wire a three way switch from the house or add more than one circuit.
When necessary use existing ducts or pipe runs to get wires from the attic into the basement.
On the second floor run wires down the wall from the attic.
Even you are the first time to run security camera cabling you can install your security camera wiring through attics walls for your front back door reception room front back yard shop floor bedroom garage warehouse basement parking lot farm entrance even upstairs etc.
Select proper wire or cable.
This is a two person job you need a helper at the other end to feed the wires into the conduit.
Make sure you use ul rated in wall wiring that meets local building and fire codes including cm cmr or cmp for computer networking and cl2 or cl3 for speakers.
Cut the holes that the wire will pass through to enter and exit the attic.
Cut a hole for each box with a drywall saw or a saw appropriate for the wall material then feed the wires down from the attic or up from the basement toward each hole using a fish tape or a fish stick.
Turn off the power.
If you will need to fish wiring through a wall drill a hole through the wood plate in the attic only.
Always turn off the breakers in your electrical box before you begin to reduce the chance of an electrical shock should you accidently cut or drill into existing wiring.
You ll find a variety of pvc fittings that let you turn corners and run the conduit exactly where you want it.
This video will show you tips how to fish wire down an existing wall from an attic space down to a crawl space.
There are two ways to run electrical wiring on the exterior walls of a house or other structure.
To run cables vertically go into the attic or basement and drill holes in the wall plates above or below the locations of connection boxes.
Pull the wires through the conduit.
On the first floor run wires up the wall from the basement.
Depending on what the wiring is for this may be go through the drywall to the ceiling for instance for new lighting or be farther down on a wall.