Compare the plug shapes, voltage and frequency in South Sudan and Fiji, and find out which adapter you need before you travel.
Adapter required
Yes — coming from South Sudan, you will need a travel adapter for Fiji. South Sudan uses Type C/Type D/Type G plugs, and Fiji uses Type I, so the pin shapes will not fit any wall socket.
South Sudan (home)
Fiji (destination)
Electrical specifications in Fiji
Voltage
Frequency
More about plugs in Fiji
In Fiji, the standard power plug is Type I. The country runs on 240 volts at 50 Hz. That means every wall socket in Fiji is the same shape — Type I, and your plug needs to physically match the socket to fit.
Full Fiji plug guide