Gasp - these are wonderful ... in a geeky way: behold the Star Trek: The Next Generation light-switch or power-outlet cover plates, perfect
for the Trekker in all of us (these are made by Eugene Roddenberry, son of the Star Trek creator Gene Roddenberry)
Link - via GeekAlerts
This would be perfect in the Star Trek House
They told me to look closely at the door id's as they walk through the corridors.
Some of them are annotated, "GNDN".
It stands for "Goes Nowhere. Does Nothing.", basically saying it's just a set-piece and non-functional.
Funny how these plates co-opted that part.