One approach for resolving this case is taken in Poland, wherever CEE seven/5 sockets are generally put in in pairs, the higher (upside-down) a single possessing the "French" polarity and the decrease a single possessing the "Czech" polarity, so the user can opt for what to plug the place. Type https://types-of-electrical-plugs34443.get-blogging.com/29868902/considerations-to-know-about-types-of-electrical-plugs-uk