At first we were very excited ... until our child 15/16 months old. He has relatively easily get out the fuse by any means, or even at some point with the hand itself.
It is probably on the child. If it can not touch it and do not try, we he or she gets out there - then ok. When our child less suitable. Have therefore invariably all sockets replaced by new outlets with integrated child safety. The joke was then, however, that our child has realized there's something wrong and has all available doses again provided with the assurance to poke. Two is just better.