I'm traveling to Japan (Hokkaido+Tokyo) on Wednesday. Could someone kindly confirm what kind of plugs they use over there?
I found this website:
What I'm confused is, it seems that Japan is using both Class A (2 prongs) and Class B (3 prongs) types. Does that mean to be safe I have to bring two different types of adaptors?
Moreover, I notice there are holes on the prongs of the plug. Can I use an adaptor without the holes?