A person solution for resolving this example is taken in Poland, wherever CEE seven/5 sockets are typically set up in pairs, the upper (upside-down) one having the "French" polarity and the lower a person owning the "Czech" polarity, so the consumer can opt for what to plug exactly where. In https://all-types-of-electrical-p52627.blogunteer.com/28763116/types-of-electrical-plugs-us-can-be-fun-for-anyone