You simply mount a small plastic clip to every other joist.
Running wire in attic.
The bottom of the floor joists you can run the wires through raceways that fasten to the bottom of the joists.
When adding or replacing wiring in finished walls most electricians will attempt to make the horizontal portion of the cable run in the unfinished attic or basement crawlspace areas looping the cable down or up through the wall cavity across the floor or ceiling joists then vertically through another stud cavity to the next wall box opening.
If the attic is inaccessible you have less a worry about protecting the wires than you would if it were a storage area.
Remember to use a right angle drill with a hole saw bits for boring large holes.
The clips allow easy access if you need to run.
Drill a hole to run security camera wires from your house.
Running wires inside rigid metal conduit rmc is a little more expensive than burying underground feeder cable uf but it saves labor.
Keep the holes centered on the studs.
For the horizontal portion of the cable run this can involve drilling holes in the joists where the cable will pass.
This is because the top edge of rmc has to be only six inches below the surface of the ground while uf must be buried 12 inches deep deeper in some situations.
The staple gun should be loaded with wire staples designed for holding the size and type of wire you are running.
Do not drill them through the joists or rafters.
The attic wiring should be protected and secured to ceiling joists or other wood structural supports.
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Bring all of the wire up into the attic.
After you ve run the wires through the clips you snap a plastic cover over the entire assembly.
While one person holds the flashlight the other person should use a staple gun to run the wire along the rafters from one entry hole to the other.