Compare the plug shapes, voltage and frequency in Guinea-Bissau and Guyana, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Guinea-Bissau, you will need a travel adapter for Guyana. Guinea-Bissau uses Type C/Type F plugs, and Guyana uses Type A/Type B, so the pin shapes will not fit any wall socket.
Guinea-Bissau (home)
Guyana (destination)
Electrical specifications in Guyana
Voltage
Frequency
More about plugs in Guyana
In Guyana, the standard power plug is Type A and Type B. The country runs on 110/220 volts at 50/60 Hz. That means wall sockets in Guyana can be one of 2 different shapes — Type A, Type B, and your plug needs to physically match the socket to fit.
Full Guyana plug guide