i had the same question a while back.. heres what found
you may want to rethink the hole and put in a low voltage box instead with one of these plates. otherwise.. a grommet is what your looking for.
like a 2" desk grommet
Bulk Wire wal Plate
http://www.profitlinemarketing.com/s...wire_plate.jpg
or this
Single Gang Bulk Cable Split Apart Wall Plate (Hole Style)
http://shop.vetcosurplus.com/catalog.../MID-1GSWH.jpg
desk grommet
http://cableorganizer.com/images/gro...grommets-s.jpg
you may want to rethink the hole and put in a low voltage box instead with one of these plates. otherwise.. a grommet is what your looking for.
like a 2" desk grommet
Bulk Wire wal Plate
http://www.profitlinemarketing.com/s...wire_plate.jpg
or this
Single Gang Bulk Cable Split Apart Wall Plate (Hole Style)
http://shop.vetcosurplus.com/catalog.../MID-1GSWH.jpg
desk grommet
http://cableorganizer.com/images/gro...grommets-s.jpg