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