What electrical plugs/ sockets are used in Thailand?

I Live in USA do i need the plug adapter, If i do can i get it by the GYM area not the airplane?

Country: USA

You can check out the FAQ page for the answer.

We use 220 Volt electricity in Thailand. We sell plug adapters at the gym shop and if you need voltage transformers, you can buy them at the hardware store near the gym.

Country: Thailand