Posted in Plumbing because it's deeper than for just a cable:
http://www.diynot.com/forums/viewtopic.php?t=113490&sid=0f4b1e419ebb85176aa5fd720233459a
http://www.diynot.com/forums/viewtopic.php?t=113490&sid=0f4b1e419ebb85176aa5fd720233459a
