The European Schuko socket bothers me

Because it isn't polarized, and that can lead to a situation where something is switched "off" but there's 230V of electricity still present. Take a look at this thing: At the bottom you have a standard European Schuko socket and Plugged into the socket is the power strip on the right. Plugged into the power strip is the lightbulb on the left that I've mounted and wired so I can measure the…