Go in there now and open the sealed switch plate by the hatch.
The switch plate was a gasketed cover beside the hatch.
"The switch plate in the inner office is polished."
Here is another switch plate - also smudged - which supports my theory.
Although private and public collectors have lent all the works in this retrospective, the museum is offering for sale what remains of her switch plates.
He stood in the doorway, fumbled to his right, and found the switch plate.
He stopped at a switch plate on the wall.
He got up, moved to the TV set, and removed the other bug from its switch plate.
One hand passed by the main switch plate on its way to her gear rack, and the lights came on.
For example, if you have white or light-colored walls, use dark switch plates to mark the location of light switches.