Travel adapter from Thailand to South Korea — do you need one?

Q: What plug is used in South Korea?

South Korea uses Type C and Type F plugs at 230 V, 60 Hz.

Compare the plug shapes, voltage and frequency in Thailand and South Korea, and find out which adapter you need before you travel.

No adapter needed

You will not need a plug adapter — Thailand and South Korea share at least one common plug shape (Type C). The mains frequency is also different (50 Hz vs 60 Hz). This rarely matters for electronics but can affect motor-driven devices like clocks and shavers.

Frequency differs (50 Hz vs 60 Hz). Rarely an issue for most electronics, but can affect motor-driven devices like clocks and shavers.

Thailand (home)

Type A Two flat parallel pins 100–127V Type B Two flat pins + round ground 100–127V Type C Two round pins (Europlug) 220–240V Type O Three round pins 220–240V

South Korea (destination)

Type C Two round pins (Europlug) 220–240V Type F Two round pins + side earth contacts 220–240V

Electrical specifications in South Korea

Voltage

Thailand 230 V

South Korea 230 V

Match

Frequency

Thailand 50 Hz

South Korea 60 Hz

Differs

More about plugs in South Korea

In South Korea, the standard power plug is Type C and Type F. The country runs on 230 volts at 60 Hz. That means wall sockets in South Korea can be one of 2 different shapes — Type C, Type F, and your plug needs to physically match the socket to fit.

Full South Korea plug guide