§ Southeast Asia11 countries · 220-240V

Southeast Asia power plugs & adapters.

Countries
11
In this region
Plug types
4
Type A · Type B · Type C · Type G
Voltage
220-240V
Across the region
Need adapter
6
From a US 120V baseline
§ 01 · The big picture

Power in Southeast Asia, in plain English.

Why this region's electrical standards are the way they are — colonial legacies, post-war reconstruction, and the engineers who picked the standard a century ago.

Southeast Asia presents one of the world's most complex electrical landscapes, shaped by centuries of colonial influence and modern standardization efforts. British colonial legacy dominates with Type G plugs (three rectangular prongs) ruling Malaysia, Singapore, and Brunei, while former French territories like Vietnam, Laos, and Cambodia primarily use European Type C plugs. The Philippines stands apart with American-style Type A and B outlets, while Thailand, Indonesia, and Myanmar blend multiple standards depending on the building's age and purpose.

Voltage across the region runs consistently at 220-240V and 50Hz, creating immediate danger for US travelers carrying 110V devices without proper voltage conversion. Your iPhone charger will handle this jump automatically, but hair dryers, curling irons, and other heat-producing appliances will either blow their fuses or potentially catch fire. Never assume a plug adapter alone will protect your devices from voltage damage.

Invest in a quality universal adapter with Type A, C, and G compatibility, plus built-in surge protection for the region's occasionally unstable power grids. Avoid cheap airport adapters that often fail after a few uses or don't fit snugly in Southeast Asian outlets. The most common mistake travelers make is bringing only Type C adapters for the entire region, then discovering their hotels in Malaysia or Singapore exclusively use Type G outlets.

Building age dramatically affects outlet availability and reliability. Colonial-era hotels and guesthouses often feature limited, oddly-placed outlets that may not accept modern adapters properly. Newer international hotels typically provide multiple outlet types and USB charging stations, while rural areas may have inconsistent power supply with frequent brownouts.

Urban centers like Bangkok, Kuala Lumpur, and Singapore offer the most reliable electrical infrastructure. Two insider tips: many Southeast Asian outlets require you to turn on a wall switch before they provide power, something that catches first-time visitors off guard when their devices won't charge. Additionally, bathroom outlets in the region often feature different plug types than bedroom outlets in the same building, so pack adapters for both Type C and Type G to avoid surprises when using hair dryers or electric shavers.

§ 02 · The plugs

What's at the wall across Southeast Asia.

Each plug type, where it shows up, and how many countries use it. Click any type for the full plug-shape guide with dimensions and history.

Type A

Cambodia, Laos, Philippines, Thailand, Vietnam

5 countries
Type B

Laos, Philippines, Thailand

3 countries
Type C

Cambodia, Indonesia, Laos, Myanmar, Thailand, Timor-Leste, Vietnam

7 countries
Type G

Brunei, Cambodia, Malaysia, Myanmar, Singapore, Vietnam

6 countries
§ Pro tip

Look for outlets with small switches next to them throughout Southeast Asia, as many require you to flip the switch to 'ON' before power flows to your device. This safety feature is standard in former British territories but catches many travelers off guard when their perfectly connected charger won't work.

§ 03 · Country list

All 11 countries in Southeast Asia.

Sortable at a glance: plug types, voltage, and whether a US-bought device needs an adapter. Click any country for the full electrical guide.

CountryPlug typesVoltageAdapter from US?
🇧🇳BruneiType G240VYes
🇰🇭CambodiaType A, Type C, Type G230VNo
🇮🇩IndonesiaType C, Type F230VYes
🇱🇦LaosType A, Type B, Type C230VNo
🇲🇾MalaysiaType G240VYes
🇲🇲MyanmarType C, Type D, Type F, Type G230VYes
🇵🇭PhilippinesType A, Type B220VNo
🇸🇬SingaporeType G230VYes
🇹🇭ThailandType A, Type B, Type C230VNo
🇹🇱Timor-LesteType C, Type E, Type F, Type I230VYes
🇻🇳VietnamType A, Type C, Type G220VNo
§ 04 · Questions

What travelers ask about Southeast Asia.

The same handful of questions, every week. Answers below — and the FAQ schema feeds them straight to Google.

Can I use my US laptop charger in Southeast Asia without a voltage converter?+
Yes, modern laptop chargers are designed for 100-240V input and will work safely throughout Southeast Asia. You only need a plug adapter to fit the different outlet shapes, not a voltage converter.
Which countries in Southeast Asia use the same plug types as the UK?+
Malaysia, Singapore, and Brunei use Type G plugs (three rectangular prongs) identical to UK outlets. These countries inherited this standard from British colonial rule and maintain it today.
Do I need different adapters for Thailand and Vietnam?+
Yes, Thailand primarily uses Type A, B, and C plugs while Vietnam uses Type A, C, and G. A universal adapter covering all three types will work in both countries and throughout the region.
Are power outages common in Southeast Asian cities?+
Major cities like Bangkok, Kuala Lumpur, and Singapore have reliable power infrastructure with rare outages. Rural areas and smaller cities experience more frequent brownouts, especially during monsoon season.
Can I charge my phone using hotel USB ports in Southeast Asia?+
Most international hotels built after 2015 include USB charging ports, but many deliver slow charging speeds. Bring your regular charger with an adapter for faster, more reliable charging.
§ 07 · Other regions

The rest of the world.

Eight more regions, each with its own quirks. Pick the next leg of the trip.

§ Got the picture?

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