I find it disturbing that plugs can only be inserted with considerable force. If you want to pull it out, then the designed similarly difficult because the distributor you have while holding. Here you have it too good meant in terms of integrated child safety. This issue If you use the Cube but as "permanent distribution" are not necessary.
But brings me to the main drawback of this article: it is authorized in Germany. Here, everyone has to decide for itself how to deal with it. I will use the cube only temporarily, because I have him in mind. From a long-term use (eg as a distributor for my freezer) I refrained, because my insurance would jackknife in case of damage. While the risk may be low, but I want it not yet received.