The on/off switch always struck me as odd. Like, in a recessed plug such as this where the male prongs have a bit of insulation to them, are they really that worried about a tiny arc that might occur when someone forgets to turn off the device? Like it would make more sense to have a limit switch built into the socket that activates on insertion and deactivates on removal. And even then, with our caveman sockets in the US, a small arc isn’t the end of the world, you just know not to have your fingers near the shiny bits.