<type>- It reads, "Here may be found...
"...the last words of Joseph of Arimathea:
"'He who is valiant and pure of spirit...
"'...may find the Holy Grail...
"'...in the Castle of Aaargh."'
- What?
-"The Castle of Aaargh."
-What is that?
-He must have died while carving it.
-Come on!
-That's what it says.
-Look, if he was dying, he wouldn't bother to carve "Aaargh."
This room would be the "castle of huh?".
Botomline: It's stupid and irrelevant. These light switches are inside a room with RFID card controlled access. There is a label next to the door with the room number. There is no need for a label inside the room, near the switches, with a translation to qrcode-ish of the room number.</type>