Power Plugs and Voltage in Thailand

In Thailand, power plugs and sockets are of type A, B, C, and O. The standard voltage is 220V and the frequency is 50Hz.

Thailand power plug types A B C O with 220V 50Hz electricity.

Plug types A B C O in Thailand.

Last updated: 2026-04-28

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What plug types are used in Thailand?

Thailand uses plug types A, B, C, and O. These plug types determine which devices can be connected directly.

Voltage and frequency in Thailand

The voltage in Thailand is 220V with a frequency of 50Hz.

If your device is not compatible with this voltage, you may need a converter.

Why plug types and voltage differ in Thailand

Electrical systems in different countries were developed independently, which is why plug shapes and voltage standards vary. Thailand uses 220V and plug types A B C O, which may differ from other regions.

Do you need a travel adapter for Thailand?

If your device plug does not match types A, B, C, and O, you will need a plug adapter.

Can you use your devices in Thailand?

Most modern electronics support 100–240V and will work with a plug adapter.

Single-voltage devices may require a voltage converter.

Frequently asked questions

What plug is used in Thailand?

Thailand uses plug types A, B, C, and O.

What voltage is used in Thailand?

The standard voltage is 220V.

Do I need a travel adapter for Thailand?

If your plug type is different, you will need an adapter.

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