Compare the plug shapes, voltage and frequency in Papua New Guinea and Bhutan, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Papua New Guinea, you will need a travel adapter for Bhutan. Papua New Guinea uses Type I plugs, and Bhutan uses Type C/Type D/Type M, so the pin shapes will not fit any wall socket.
Papua New Guinea (home)
Bhutan (destination)
Electrical specifications in Bhutan
Voltage
Frequency
More about plugs in Bhutan
In Bhutan, the standard power plug is Type C and Type D and Type M. The country runs on 230 volts at 50 Hz. That means wall sockets in Bhutan can be one of 3 different shapes — Type C, Type D, Type M, and your plug needs to physically match the socket to fit.
Full Bhutan plug guide