On August 30, 2016 at 08:47, Fred Harding said...
Re fishing wires. When you know the location of the device in the living space, cut in a ring. Take your beaded chain and put it into the hole. Put just enough in the hole to have chain touch the stud. Attach tone generator to chain. Go down stairs. Use tone detector to find hole. Drill up. Use magnet to pull chain down.
Lather, rinse and repeat.
Awesome! You've taught me a new trick. I've always drilled down using a long thin bit, found the hole and measured.
I will use this first chance I get.
Thanks.
Craig