What plug types are used in Guam?
Guam uses plug types A and B. These plug types determine which devices can be connected directly.
Voltage and frequency in Guam
The voltage in Guam is 110V with a frequency of 60Hz.
If your device is not compatible with this voltage, you may need a converter.
Why plug types and voltage differ in Guam
Electrical systems in different countries were developed independently, which is why plug shapes and voltage standards vary. Guam uses 110V and plug types A B, which may differ from other regions.
Do you need a travel adapter for Guam?
If your device plug does not match types A and B, you will need a plug adapter.
Can you use your devices in Guam?
Most modern electronics support 100–240V and will work with a plug adapter.
Single-voltage devices may require a voltage converter.
Frequently asked questions
What plug is used in Guam?
Guam uses plug types A and B.
What voltage is used in Guam?
The standard voltage is 110V.
Do I need a travel adapter for Guam?
If your plug type is different, you will need an adapter.