I can't be the only one

i have lived in my house for 11 years and i still dont know which one is which...

Oh thank god i'm not the only one.

been living in it for 21 years n donno which is which

Very true my friend

Which switch is which?
Seriously, how has no one said this already?

Am I the only one around here that sees the words "ON" written on the switch?