Ludwik Chmura
Ludwik Chmura voted up Anonymous' answer
That last answer is so stupid. It doesn't 'detect how much water is in the kettle'! Try turning your kettle on with no water in it at all - it won't magically shut off.Most modern kettles use a steam based cutoff switches. I have just taken my kettle apart (as it's old and isn't working … Read more