Compare the plug shapes, voltage and frequency in Brunei and Timor-Leste, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Brunei, you will need a travel adapter for Timor-Leste. Brunei uses Type G plugs, and Timor-Leste uses Type C/Type E/Type F/Type I, so the pin shapes will not fit any wall socket.
Brunei (home)
Timor-Leste (destination)
Electrical specifications in Timor-Leste
Voltage
Frequency
More about plugs in Timor-Leste
In Timor-Leste, the standard power plug is Type C and Type E and Type F and Type I. The country runs on 230 volts at 50 Hz. That means wall sockets in Timor-Leste can be one of 4 different shapes — Type C, Type E, Type F, Type I, and your plug needs to physically match the socket to fit.
Full Timor-Leste plug guide