Power adapter for Guam - What plug adapter do I need for Guam?

Power adapters for Guam

Various voltages and sockets can all be confusing when planning to travel to a different country, especially for the first time traveller. With only a handful of different types of standards being used throughout the world this article tells you exactly what you'll need in advance to power your electronics in Guam. This page has links to useful instructions demonstrating exactly how to power your devices when you are in Guam using their Type B or A Guamanian 110 volt 60Hz wall outlets. You'll find power sockets differ regionally so please read the power adapters page for a complete list of countries.

What is the best power adapter for Guam?

The best power adapter for Guam will be a Type B plug adapter [2] which allows you to use any 110 volt device or appliance.

What is the best power adapter for Guam?

What is a power adapter?

A power adapter for Guam is a small and cheap plastic adapter which permits a Guamanian power outlet to accept a different type of power plug from an appliance from another region.

Also known as: an electrical adapter, plug adapter, travel adapter, electrical adaptor, mains travel adapter or power adaptor [3].

Do I need a plug adapter for Guam?

If the power plug that you want to use is different to the type of Guamanian power outlet then you will need a power adapter.

What does a power adapter for Guam do?

A power adapter allows a visitor travelling from another location to use their own electronic and electrical devices in Guam by adapting the shape of the power plug to fit the power outlet.

Can a power adapter change the voltage from a Guamanian power outlet?

A power adapter only adapts the shape of a plug to fit into a 110 volt Guamanian power outlet and can't convert the power to a higher voltage. If you wish to safely use a 220, 230 or 240 volt device then you will also need to bring a more expensive step up power converter for Guam.

Where to buy a power adapter for Guam in the UK

Power adapters for sale in an airport

Where to buy a power adapter for Guam in the UK

Guam to UK power adapters will most likely be available to buy in the UK from airports such as Heathrow, Gatwick, Manchester, Stansted, Luton, Edinburgh, Glasgow and Birmingham prior to departure, however the range of adapters might be limited to popular destinations. It is recommended to research the exact type of adapter required prior to shopping at the airport. Look in the travel accessories section of airport newsagents, electronic stores and pharmacists such as WH Smith, Dixons or Boots but expect to pay 50% more than regular prices.

It will be more convenient and cheaper to buy the correct power adapter in advance of your trip. UK high street electrical shops, newsagents and chemists such as Currys PC World, WH Smith or Boots normally typically only sell popular types of travel adapters covering a limited number of countries however for widest choice it is recommended to buy a power adapter online. In January 2019 we checked 2 high street branches of WH Smiths without seeing any power adapters available to purchase and 1 branch of Boots only had a pack of European adapters available.

  1. https://en.wikipedia.org/wiki/Guam - Guam country Wiki page.
  2. Type B plug adapter - Allows appliances to connect to Type B power outlets without converting voltage, around £5.
  3. https://en.wikipedia.org/wiki/Adapter - power adaptor