switch plate

or switchplate

noun

1. a plate, usually of metal, ceramic, or plastic, covering a switch so that the knob or toggle protrudes.

Example Sentences

Buy some builder-basic cabinet hardware or switch plate covers from a hardware store and paint them in your favorite hues.

From Seattle Times

You can install inexpensive foam gasket covers that fit between the switch plate and the socket to stop the airflow.

From New York Times

Jimmy unscrewed the light switch plate Isaiah had carved his sister’s name into a few days before her funeral.

From Washington Post

“Some very strange things began happening in the home immediately after she painted over the odd shade of blue paint that covered every inch of wall, door, piece of trim, light switch plate, etc., in the upstairs of the home,” she said.

From Washington Times

A missing light switch plate, a caulk line that shrank and pulled away from the wall, paint touch ups — small things like this, and sometimes bigger things like the hood doesn’t work, or there’s a big scratch in the newly refinished floor.

From Forbes