Travel adapter from Saint Lucia to Tonga — do you need one?

Q: What plug is used in Tonga?

Tonga uses Type I plugs at 240 V, 50 Hz.

Compare the plug shapes, voltage and frequency in Saint Lucia and Tonga, and find out which adapter you need before you travel.

Adapter required

Yes — coming from Saint Lucia, you will need a travel adapter for Tonga. Saint Lucia uses Type G plugs, and Tonga uses Type I, so the pin shapes will not fit any wall socket.

Saint Lucia (home)

Type G Three rectangular pins 220–240V

Tonga (destination)

Type I Two or three flat angled pins 220–240V

Electrical specifications in Tonga

Voltage

Saint Lucia 230 V

Tonga 240 V

Match

Frequency

Saint Lucia 50 Hz

Tonga 50 Hz

Match

More about plugs in Tonga

In Tonga, the standard power plug is Type I. The country runs on 240 volts at 50 Hz. That means every wall socket in Tonga is the same shape — Type I, and your plug needs to physically match the socket to fit.

Full Tonga plug guide