Power
Plugs, sockets & voltage in Thailand
Plug type
In Thailand, sockets take Type A / Type B / Type C / Type O plugs. The supply is 220V at 50Hz.
Power & sockets in Thailand
Thailand
- Plug types
- A B C O
- Voltage
- 220V
- Frequency
- 50Hz
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. |
| Type C | Two round pins. The standard "Europlug" used across most of Europe. |
| Type O | Three round pins. Used in Thailand. |
Thailand runs on 220V. Visitors from 100–120 V countries should confirm their devices are dual-voltage, or pack a converter for single-voltage gear.
Common questions
What plug adapter do I need for Thailand?
Thailand uses Type A / Type B / Type C / Type O sockets at 220V, 50Hz. A universal travel adapter that supports these types works for phones, laptops and cameras.
Is the voltage in Thailand the same as at home?
Thailand supplies 220V at 50Hz. Dual-voltage devices adjust automatically; single-voltage appliances may need a converter.
Updated July 2, 2026