Troffers are typically recessed sitting above the ceiling grid, but are also available in surface mount 'boxes'.
Colored lights perched on a ceiling grid and at the sides, there to light the piece, add to the atmosphere.
Chapel heard an echoing, painfully loud clatter along the ceiling grid.
Soft, eye-pleasing pastels were highlighted by the dim light from a ceiling grid.
She glanced around again, this time looking for nonhuman surveillance, and was rewarded by the sight of two palm-sized cameras hung from the ceiling grid.
He stared down at the plastic floor, then up at the illuminated ceiling grids, ten feet above, "There's got to be more to the facility.
In general, a minimum clearance of four to eight inches is often needed between the lowest obstruction and the level of the ceiling grid.
A sudden squall sent buckets of water through an open ceiling grid.
-when he heard Janet lifting the ceiling grid into place behind her.
Lavish vines bursting with scarlet flowers draped the walls and open ceiling grid.