Compare the plug shapes, voltage and frequency in Brazil and Cuba, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Brazil, you will need a travel adapter for Cuba. Brazil uses Type C/Type N plugs, and Cuba uses Type A/Type B, so the pin shapes will not fit any wall socket.
Brazil (home)
Cuba (destination)
Electrical specifications in Cuba
Voltage
Frequency
More about plugs in Cuba
In Cuba, the standard power plug is Type A and Type B. The country runs on 120 volts at 60 Hz. That means wall sockets in Cuba can be one of 2 different shapes — Type A, Type B, and your plug needs to physically match the socket to fit.
Full Cuba plug guide