A while back, I ran in-wall video cabling for the projector in my Bedroom Theater, and I decided to tidy up the room by running the audio cables through the floor while it was torn up for the Living Room wiring project. I ran a Toslink digital fiber optic cable to feed multi-channel audio from my HTPC across the room to the receiver and a standard stereo line level cable to run the DTV Tuner audio. I also ran speaker wires for left and right rear surround and Cat5-e for ethernet.
To fish the cables the 18' across the room to the opposite wall, I used PVC pipe, which was rigid enough to be pushed that distance, but flexible enough to bend around ductwork and truss members. Due to obstructions and limited access, I had to feed 4' sections of pipe into the access hole and then glue them together inside the floor. My new inspection camera saved me from having to do this blind. Mounting the camera on an angle allowed me to point the camera by rotating the pipe, and it also helped hop the pipe up over truss chords and to control its path by pointing the tip in one direction or another as I pushed it along. The piece of coathanger made a good sturdy snare to hook and drag the bundle of wires back across the room.
This beam is underneath the wall I am attempting to reach, which made it difficult to run up into the wall cavity from beneath.
After drilling through the baseboard to get around the beam and into the wall cavity, I have all of the cables fished into the hole for a previously existing telephone jack. The hole in the baseboard is mostly below the carpet level and won't show, but I will end up patching and painting it anyway.
I got my cable bundle hooked and secured to my makeshift probe and dragged the whole assembly back across the room without any problems.
I used my makeshift probe again to get the right surround speaker wire over to the side wall and after drilling through the baseplate and dropping a coathanger hook down, I was shocked to see that it was directly in front of my probe! Here is the inspection camera view:
Screw and glue a brace and a patch to close up the access hole:
The new faceplate with all of the Audio Connections:
This beam is underneath the wall I am attempting to reach, which made it difficult to run up into the wall cavity from beneath.
After drilling through the baseboard to get around the beam and into the wall cavity, I have all of the cables fished into the hole for a previously existing telephone jack. The hole in the baseboard is mostly below the carpet level and won't show, but I will end up patching and painting it anyway.
I got my cable bundle hooked and secured to my makeshift probe and dragged the whole assembly back across the room without any problems.
 |  |
I used my makeshift probe again to get the right surround speaker wire over to the side wall and after drilling through the baseplate and dropping a coathanger hook down, I was shocked to see that it was directly in front of my probe! Here is the inspection camera view:
Screw and glue a brace and a patch to close up the access hole:
 |  |
The new faceplate with all of the Audio Connections:
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