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Type O plug, front view
Plug
Type O socket, front view
Socket

Type O plug and socket

Two round pins with a third round earth pin below the middle.

Standard
TIS 166-2549 (Thailand)
Pins
Three round 4.8 mm pins, earth below
Earthed
Yes
Rated
16 A
Origin
Thailand

What fits

A Type O socket takes

A Type O plug goes into

Only its own sockets: anywhere else, a Type O plug needs an adapter.

Where Type O is used

World map of countries using Type O
main type also found

Main type in 0 countries and territories

Also found in

Countries using Type O differ in voltage: the same plug can be on 100–127 V in one country and 220–240 V in another, so check the voltage too.

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