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