More mature Japanese sockets and multi-plug adaptors are unpolarised—the slots from the sockets are the same size—and will take only unpolarised plugs. Japanese plugs usually suit into most North American sockets without modification, but polarised North American plugs may well need adaptors or alternative non-polarised plugs to connect with older https://plugtypes09506.blog5star.com/29762024/indicators-on-type-of-electrical-plugs-in-mexico-you-should-know