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Travel Adaptor for Mexico

The electrical sockets used in Mexico are type A and type B. These are 2 variants of the same socket - one grounded (with an earth pin) and the other ungrounded. You will therefore need a UK 3 pin to type A/B adaptor in order to plug in your appliances.
Type B Adaptor
Type B Adaptor   

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Please be aware that whilst a travel adaptor will allow you to physically plug a UK 3 pin plug into a different socket it will not change the voltage or frequency of the supply.

Warning triangle Voltage - The mains voltage in Mexico is 127 V which is incompatible with most UK appliances (UK voltage is currently specified as 230 V +10% / - 6%). Check any appliances that you wish to use carefully to see what voltage is specified. Items such as laptops will often specify "100 - 240V" either on the equipment or the power supply (if it has one). If not then you will need a transformer to operate your appliance.

Warning triangle Frequency - The frequency in Mexico is 60 Hz which is slightly higher than in the UK (which operates at 50 Hz). In practical terms this makes little difference as most travel appliances will run at either frequency. Some items with motors, such as hairdryers and some clocks will run a little faster than intended but it is not likely to be problematic. Check your device - it may say 50/60 Hz which indicates that it is compatible with either frequency. If you are in doubt or have expensive equipment check with the manufacturer first as some equipment may be damaged by running on an incorrect frequency.

Special considerations - Type B is becoming more common. Voltage can legally vary by +/- 10% (giving a range of 114 to 140 volts). Split phase is commonly available and local electricians are apt to wire both to a type A/B socket to give 240 V for air conditioning or washing machine/dryers.

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More Information

Find loads of useful info about Mexico on wikitravel
Government travel advice
Travel weather
Local time in Mexico
Today's exchange rates
Interactive map - Zoom and pan to any country in the world.

Please note that while we take great care to give the best advice available our recommendations may not always be the most suitable for your particular circumstances. When you travel as much as we do you come to realise that some countries just don't know how to stick to the rules! Please use our recommendations responsibly and do some extra research on the particular area that you are travelling to if necessary.

Plug / Socket Types in use in

Voltage: 127 V Warning triangle
Frequency: 60 Hz Warning triangle

Type A Socket used in Mexico
Type A Socket

Type A Plug used in Mexico
Type A Plug

Type B Socket used in Mexico
Type B Socket

Type B Plug used in Mexico
Type B Plug

At a Glance

Mexico flag
Mexico City
(2013 estimate)
1,964,375 km2
(758,449 sq mi)
97.5 %
2.5 %
Time Zone:
UTC -5 to UTC -7
Dialling Code:
Mexico Peso (MXN)
Country Code:
(ISO 3166-1 alpha-2)
Country Code:
(ISO 3166-1 alpha-3)
Free Country Flags (Gang of the Coconuts)
CC BY-SA 3.0
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Travel Adaptor UK


Type G plug


Type G socket
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Type A plug
Type B plug


Type A outlet Type B outlet

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