Just in case you guys need to run Ethernet, CCTV Cameras. If you are tracing out an Existing network or Existing 7.1 Home Theater then you may have a need for the Byte Brothers Low Voltage Pro.
I just bought one because I'm running and testing cables all the time. If you have time then check out the Video:
Product website: http://www.bytebrothers.com/bb_teste..._Main_Page.htm
More Videos: http://www.youtube.com/user/ByteBrot...?feature=watch