In America we tend to do the same. Problems arise when you have multiple switches toggling a single light though. If one switch is ON and the other is OFF and t

In America we tend to do the same. Problems arise when you have multiple switches toggling a single light though. If one switch is ON and the other is OFF and the light is ON, then when you flip the OFF switch to ON the light will turn OFF. And when they are both ON, to actually turn the light ON, you need to flip one of the switches to be OFF