Thailand Plug Types: Everything You Need to Know

Getting ready for a trip to Thailand means thinking about all the exciting experiences you’ll have, but don’t forget about the little details that can make a big difference — like charging your devices! 

In this article, we’ll cover the different types of plugs you’ll encounter in Thailand, explain the voltage you’ll be using, and offer tips on how to find the right adapters. Let’s jump right in!

What plug types are used in Thailand?

In Thailand, you’ll come across five types of plugs: Type A, Type B, Type C, Type F, and Type O. Here’s a closer look at each type to help you prepare for your travels and keep your devices charged.

Type A Plug

Type A plugs feature two flat parallel pins and are commonly used in North America. Unlike Type B plugs, which add a third grounding pin for improved safety, Type A plugs are ungrounded. This design makes Type A plugs simpler but limits their compatibility with devices that require grounding for safe operation.

Type B Plug

Similar to Type A, the Type B plug features two flat pins but adds a third grounding pin for enhanced safety. This grounding pin is particularly important for high-power devices, as it helps reduce the risk of electrical faults. You’ll often find Type B plugs in hotels and accommodations that cater to international travelers.

Type C Plug

The Type C plug, often known as the Europlug, is characterized by its two round pins with a diameter of 4.0 mm. The pins are spaced 19 mm apart. This plug type is commonly used across Europe and Asia, including Thailand.

Type F Plug

Also known as the Schuko plug, the Type F plug features two round pins (4.0 mm in diameter) with grounding clips on the sides. This design ensures a secure fit and provides added safety for high-power appliances. The Type F plug is also compatible with Type C sockets, offering greater versatility.

Type O Plug

The Type O plug, unique to Thailand, features three round pins arranged in a triangular configuration and is designed to meet higher safety standards. Serving as the standard in the country, the Type O plug and socket are grounded, with an amp rating of 16 A and a voltage range of 220–240 V. 

This plug type is fully compatible with plug types C and O. It is also partially compatible with type F; however, using it with type F is not recommended.

Thailand’s voltage and frequency requirements

Besides plug types, it’s crucial to know that Thailand operates on a standard voltage of 220V and a frequency of 50Hz. If you’re coming from a country like the United States where the standard voltage is 110V, be sure to check if your devices can handle the higher voltage. 

Most modern chargers are designed to work with a range of voltages (typically labeled as 100–240V), so they should work fine. However, if your device is only rated for 110V, it may not function properly and could be damaged when plugged into a 220V outlet.

Where to buy adapters for Thailand?

While many hotels in Thailand provide power outlets compatible with multiple plug types, not all accommodations offer this convenience. For travelers staying in private rentals, bringing your own Thailand plug Type O adapter is a good idea. 

Although you can find adapters easily at local electronics shops or markets in Thailand, purchasing one online before you leave may be more convenient.

Here are some great options to consider:

Kakahigh Thailand Plug Adapter

The Kakahigh Thailand Plug Adapter is a must-have for travelers to Thailand, compatible with most South Asian countries. It’s perfect for use in airports, hotels, and dorm rooms.

This 7-in-1 adapter supports standard American 2 or 3-prong plugs with a maximum capacity of 2500 watts (250 volts, 10A). Lightweight at 0.65 pounds and compact at 6.5 x 5.5 x 1.5 inches, it features a 4-foot extension cord and is ETL- and UL-certified, complete with a blue power indicator.

Additionally, it offers two USB-C ports for charging Apple devices at 5V/2.4A each, with a total output of 5V/4.8A (24W max). This adapter is not a voltage converter and is suitable for devices operating at 100V to 250V; high-wattage appliances like hair dryers may require a separate converter. 

Where to buy: Amazon

Price: $17.99

Ceptics Thailand Travel Adapter with Dual USA Input

The Ceptics Travel Plug Adapter is a compact and essential accessory for anyone traveling to Thailand. Designed in the USA, this adapter comes with a limited lifetime warranty—return it for any reason, and it will be replaced with a new one.

This adapter features a 2-in-1 input that accepts standard North American 2 or 3-prong flat pin plugs, including polarized options. Its ultra-compact size measures just 2 x 2 x 2 inches, with a maximum load rating of 10-15A/250V, making it perfect for travel.

Please note that this adapter is only compatible with dual-voltage products and electronics. It will not work with 110V devices such as hair clippers, CPAP machines, curling irons, or hair dryers.

Where to buy: Amazon

Price: $11.99

OREI US-18 Thailand Travel Adapter

The OREI US-18 Thailand Travel Adapter is a compact solution that allows for the connection of up to two devices simultaneously through its two grounded outlets, making it suitable for charging cell phones, cameras, laptops, and more.

Designed for use with Type O plugs, this adapter supports up to 10A and a voltage of 250V. Its grounded 3-prong design is CE-certified and RoHS-compliant, which ensures reliability and safety.

Where to buy: OREI

Price: $11.99

Do I need a voltage converter in Thailand?

A voltage converter is necessary in Thailand if your electric devices are designed to operate at 100–127 V. 

The standard voltage in Thailand is 220 V, so it’s important to check your devices before using them. Without a converter, there is a significant risk of serious damage to your appliances.

Understanding different plug types worldwide

For those who enjoy visiting multiple countries in one trip, it’s helpful to know about the various plug types used around the world. Here’s a quick overview of some of the most common plug types you may encounter:

• Type A and B: Common in North America, Type A has two flat pins, while Type B includes a third grounding pin for safety.
• Type C: Widely used in Europe and Asia, this plug features two round pins and is commonly referred to as the Europlug.
• Type D and E: Used in India and various European countries, these plugs come with two or three round pins and different grounding setups.
• Type F: Also known as the Schuko plug, it is used across Europe and features two round pins with grounding clips for added safety. See Spain plug types and Italy plug types to learn more about the Schuko plug.
• Type G: Found in the UK, it has three rectangular pins arranged in a triangular configuration.
• Type H: Used in Israel, this plug features three pins in a triangular formation and is designed specifically for that region’s electrical standards.
• Type I: Common in Australia and New Zealand, these plugs feature two flat pins set in a V-shape with an optional grounding pin.
• Type J: Standard in Switzerland, it consists of three round pins arranged in a triangular format, with the center pin serving as the ground.
• Type K: Primarily found in Denmark and Greenland, it includes two round pins and an off-center grounding pin.
• Type L: Used in Italy and Chile, this plug has three round pins arranged in a straight line, featuring two variants with different pin sizes.
• Type M: Common in South Africa, this plug has three large round pins in a triangular arrangement, similar in appearance to Type D but larger.
• Type N: Used in Brazil, this plug has three round pins and is designed for higher safety standards with a grounding configuration.
• Type O: Unique to Thailand, this plug features three round pins arranged in a triangular configuration, designed to meet higher safety standards with a grounding setup.

See the complete list of all the plug types used across the world in the below infographic:

Thailand Plug Type FAQ

Vukasin Petrovic

My name is Vukasin Petrovic and I am a dedicated traveler and writer. I combine my love for exploration and writing to offer fellow explorers insightful tips and guides on how to make the best of their trips. Whether you're wondering what to see or how to stay connected through eSIM, SIMS, or pocket Wi-Fi in a foreign country - I got you covered.