The attic wiring should be protected and secured to ceiling joists or other wood structural supports.
Wiring ethernet through attic.
If you will need to fish wiring through a wall drill a hole through the wood plate in the attic only.
You want to run solid cable in the walls attic between your terminations jacks.
For multi story homes you may have to be creative.
Run the wire or cable to its destination.
Feeding the wires up and down is usually a 2 person job.
For single floor homes with a basement the basement may be the best path.
Feed the wire through the hole above the distribution box while someone else pulls the from attic.
Attach the wire or cable to a fish tape or coat hanger using electrical tape and feed it into the hole until it reaches the opening at the other end.
If the rooms in question are wired for coax you may be able to sneak the ethernet cable down the wall through the existing hole in the top plate of the wall s.
The following links will assist you with your electrical question.
If you re working from the attic you can drop a weighted string down wall cavity then attach the wire to the string and pull it through.
One person pushes the wire through the origin point and the other pulls through the hole at the destination point.
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.
For single floor homes with a basement the basement may be the best path.
Cut the holes that the wire will pass through to enter and exit the attic.
The yellow wire beneath all of the ethernet cabling carries ac down the second bay behind the stud.
My cable tv is distributed through the attic so it seemed like a good solution to run my home network through there as well.
For me my condo is on the 2nd top floor and have access to my attic.
Yes this should be corrected and it would be good to have the wiring and all the circuit connections inspected as well.
And use semi rigid.
Feed your cables up the wall into the attic space.