Power
Plugs, sockets & voltage in Japan
Plug type
In Japan, sockets take Type A / Type B plugs. The supply is 100V at 50/60Hz.
Power & sockets in Japan
Japan
- Plug types
- A B
- Voltage
- 100V
- Frequency
- 50/60Hz
What each socket looks like
| Type A | Two flat parallel pins (ungrounded). Common across North America and Japan. |
|---|---|
| Type B | Two flat pins plus a round grounding pin. The grounded North American plug. |
Most of Europe, Asia and Africa run on 220–240 V, so travellers from Japan should check that devices are dual-voltage (most phone and laptop chargers are) before plugging in abroad.
Common questions
What plug adapter do I need for Japan?
Japan uses Type A / Type B sockets at 100V, 50/60Hz. A universal travel adapter that supports these types works for phones, laptops and cameras.
Is the voltage in Japan the same as at home?
Japan supplies 100V at 50/60Hz. Dual-voltage devices adjust automatically; single-voltage appliances may need a converter.
Updated July 2, 2026