Originally Posted by
LuvAirFrance
And it also seems to me that the wall switch turns on one or more outlets that power the floor or table lamps. Which at least mean you don't have to cross a dark room to get some light.
Oh, that's one of the best features! This way, when you've found the single outlet that's not already occupied and plugged in your computer, camera, or whatever and expect it to be charging, it can unexpectedly be not doing so when you turn out the lights. It's a great way to save energy.