For several years now, public EV charging points in Amsterdam have also been used to provide temporary power supplies for construction projects and events, for example. The city is now actively promoting this as an alternative to diesel generators on construction sites.

https://www.amsterdam.nl/leefomgeving/openbare-stroompunten/

I have a Type 2 – shuko adapter. It is quite handy with travelling with camping car or even for ebike charging. Easy to find those via charging maps.
Type 2 is just 3x32 A (or 3x16 A) socket with extra safety features, just needs small smart to talk to "charger".
@burger_jaap