Compatibility summary
Your Thailand plug may fit in Cayman Islands outlets, as both use at least one common plug type. Voltage differs by more than 20% — a voltage converter may be needed for some appliances.
Plug comparison
Thailand plug types: A B C O
Cayman Islands plug types: A B
Both countries share at least one plug type (A B C O and A B), so some plugs may work without an adapter. Check your appliance.
Voltage comparison
Thailand: 220V, 50Hz
Cayman Islands: 120V, 60Hz
Voltage converter recommended (Thailand 220V vs Cayman Islands 120V).