Types A and B, 110 V or 220 V, 60 Hz – those are the basics for electricity in Antigua and Barbuda. Different voltages are recorded (110 V or 220 V). The rating plate on your device decides. The grid runs at 60 Hz. Chargers do not care; mains-synchronised clocks and simple motors do.
You will find identical sockets in Cuba, Guatemala, Canada and U.S. Virgin Islands. Travelling further to Greenland, Saint Lucia and Dominica means a different adapter. In North and Central America, 24 of 31 recorded destinations use exactly this combination.
Protective earth
Grounded and ungrounded sockets may occur
Antigua and Barbuda has sockets with a protective earth (Type B) and without (Type A). A plug that fits mechanically does not guarantee earthing.
Check the rating plate: 110 V or 220 V suits “100–240 V” supplies, not single-voltage appliances. The 60 Hz supply matters for motors and mains clocks, not for chargers. Check your own device →
Yes. UK plugs do not fit the sockets in Antigua and Barbuda.
Which sockets are common in Antigua and Barbuda?
Types A and B – that is what you will find in Antigua and Barbuda (110 V or 220 V, 60 Hz).
Will my hair dryer work in Antigua and Barbuda?
Antigua and Barbuda supplies 110 V or 220 V. Dual-voltage chargers are fine; 230 V-only appliances need a converter.
An adapter changes the plug shape only, not voltage or frequency. Antigua and Barbuda supplies 110 V / 220 V at 60 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.