For Barbados the records list Types A and B at 115 V and 50 Hz. At 115 V the supply sits well below the 230 V used across Europe. Power supplies marked “100–240 V” are fine; 230 V-only appliances are not.
The same socket system is used in Cuba, the United States, Trinidad and Tobago and Costa Rica, so one adapter covers all of them. Watch out when moving on: Dominica, Guadeloupe and Saint Lucia use a completely different system. Across North and Central America this setup is common: 24 of 31 countries.
Protective earth
Grounded and ungrounded sockets may occur
Mixed supply: Type A without earth, Type B with earth. Which one is in your room only shows on arrival.
The records list Types A and B; the grid supplies 115 V at 50 Hz.
Will my hair dryer work in Barbados?
Barbados supplies 115 V. Dual-voltage chargers are fine; 230 V-only appliances need a converter.
An adapter changes the plug shape only, not voltage or frequency. Barbados supplies 115 V at 50 Hz – check the rating plate on your device. How to read a rating plate →
If a socket gets hot, crackles or smells burnt, unplug the device straight away.