Plugs & voltage in Mexico
Types A and B · 127 V · 60 Hz
The same answers apply to El Salvador and Trinidad and Tobago.
Mexico’s nominal 127 V is unique in Central America, where the most common figure is 120 V. Few countries list 127 V: besides Mexico, only Aruba and Brazil. Both of its neighbours use exactly the same plugs: Guatemala and the United States.
Do I need an adapter for Mexico?
Where are you travelling from?
Plug straight in.
Adapter, and mind the voltage.
127 V here, 230 V at home.
Adapter, and mind the voltage.
127 V here, 230 V at home.
Adapter, and mind the voltage.
127 V here, 230 V at home.
Adapter, and mind the voltage.
Type A plugs fit; Type I plugs need an adapter to Types A or B.
127 V here, 220 V at home.
Adapter, and mind the voltage.
127 V here, 230 V at home.
Plug straight in.
127 V here, 100 V at home: the same range.
The power supply
Also in the data
Mexico is the most populous country in Central America in our data.
By population it ranks 2nd among the countries that use exactly Types A and B, after the United States.
All 7 countries in Central America use Types A and B.
Next door the nominal figure is 120 V in every case, against 127 V here.
Crossing a border
2 neighbours: 2 with the same plugs.
- GuatemalaA/B · 120 VSame plugs · same voltage
- United StatesA/B · 120 VSame plugs · same voltage
Same plugs as Mexico
20 other countries use exactly A/B: 18 in the Americas and 2 in Asia. Next door: Guatemala and the United States.
The plug types used here
Guides: 230 V vs 120 V countries · The 15 plug types explained
Source: Wikidata Q96; regions: UN M49 (Latin America and the Caribbean). Sources & method