Power Plug Type O

220–240 V • 50 Hz • Yes – includes a grounding pin.

Type O plug has three round pins in a line, used only in Thailand.

Key facts

Grounding: Yes – includes a grounding pin.
Voltage: 220–240 V
Frequency: 50 Hz

Where it’s used

Thailand

History

Introduced in Thailand in 2006 as the official standard, though older plugs are still in use.

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Frequently asked questions

Where is Type O used?: Type O sockets are common in Thailand.
What voltage and frequency does Type O use?: Type O is rated for 220–240 V at 50 Hz.
Is the Type O plug grounded?: Yes – includes a grounding pin.