The issue they are talking about can (but shouldn't) also happen with the "Europlug" which is also used in Denmark: https://en.wikipedia.org/wiki/Europlug https

The issue they are talking about can (but shouldn't) also happen with the "Europlug" which is also used in Denmark: https://en.wikipedia.org/wiki/Europlug https://en.wikipedia.org/wiki/Europlug