{"version":"1","credit":{"name":"WillItPlug","url":"https://will-it-plug.vercel.app/","note":"Free to use. Please credit WillItPlug with a link back."},"country":{"code":"jp","slug":"japan","name":"Japan","shortName":"Japan","nameInSentence":"Japan","article":"","plugs":["a"],"plugTypes":["A"],"outlets":["a","b"],"outletTypes":["A","B"],"voltage":[100],"frequency":[50,60],"url":"https://will-it-plug.vercel.app/plugs/japan/","legacyOutlets":[],"notes":[{"id":"jp-frequency","text":"Eastern Japan, including Tokyo, runs at 50Hz; western Japan, including Osaka, at 60Hz. It only matters for motors and clocks."},{"id":"jp-polarised","text":"Many Japanese outlets have two equal slots, so a US plug with one wider blade may not go in. An adapter fixes it."}],"sources":[{"name":"IEC World Plugs (retired by the IEC; archived copy)","url":"https://web.archive.org/web/20251128000000/https://www.iec.ch/world-plugs"},{"name":"Wikipedia, Mains electricity by country","url":"https://en.wikipedia.org/wiki/Mains_electricity_by_country"},{"name":"WorldStandards, Plug, socket & voltage by country","url":"https://www.worldstandards.eu/electricity/plug-voltage-by-country/"}],"verified":"2026-11-04"}}