Often people want to put their NVR where their TV is, but the camera cables are running from the attic. How do you get them down to the recorder / TV without it looking terrible? By using a cable raceway.
Step 1:
Pre tape the cable.

Step 2:

Measure the Raceway, so that you cut it.
Step 3:
Fit the raceway in place.

Step 4:

Screw the raceway to the wall.
Step 5:
Fit the raceway in place.

Step 6:

Snap raceway cover in place to conceal cable.