Type O plugs and sockets
Type O (TIS 166-2549, Thai) — 3 pins, earthed.
What fits into a Type O socket
| Plug | Fits | Earth |
|---|---|---|
| Type C | yes | lost A Type C plug has no earth pin at all, so nothing gets earthed in a Type O socket. Only matters if the thing you are plugging in needs one |
| Type O | yes | preserved |
Fits but drops the earth: Type C. Harmless on a double-insulated charger; a shock risk on anything with a metal body.
Where a Type O plug goes
Type O sockets.
Countries using Type O
Thailand