Traveling to Japan: Ensuring Your Electrical Appliances Work Safely

japan travel adaptor


When planning a trip to Japan, it’s important to consider what electrical appliances you will need to bring and how to ensure they work safely in a foreign country. One essential item to pack is a travel adaptor, which allows you to plug your UK electrical appliances into Japanese sockets. However, it’s crucial to note that a travel adaptor does not convert the voltage or frequency of your devices.

What Plug Sockets are Used in Japan?

In Japan, there are two main types of plug sockets used: Type A and Type B. Type A has two flat parallel pins, while Type B has two flat parallel pins and a grounding pin. Japan operates on a 100V supply voltage and 50/60Hz frequency. It’s important to check which type of plug your appliances require and ensure you have the correct adaptor for your trip.

Voltage Converters and Transformers

Electricity supplies can vary worldwide, ranging from 100V to 240V. Using an electrical appliance with a voltage different from the supply can be extremely dangerous. In Japan, where the voltage is 100V, you may need to use a voltage converter or transformer to safely operate your devices. Additionally, if the frequency of the electricity supply differs, it may affect the normal operation of certain appliances. For instance, a 50Hz clock may run faster on a 60Hz electricity supply. Most voltage converters and transformers come with plug adaptors, eliminating the need for a separate travel adaptor.

It’s crucial to consider the maximum power rating (AMPS or WATTS) of your converters or transformers to ensure they can handle the power requirements of your appliances.

Dual Voltage Rated Appliances

To determine whether you need a converter or transformer, check the rating plate of your electrical appliance. A dual voltage rated appliance will typically display a range such as “INPUT: 100-240V.” This indicates that the appliance can safely operate within the supply voltage range of 100-240V, making only a travel adaptor necessary. Since Japan operates at 100V, which falls within this range, you can use these dual voltage rated appliances without any additional converters or transformers.

Single Voltage Rated Appliances

If your appliance or its power supply is not dual voltage rated, and it operates on a different voltage than 100V, you will need to use a voltage transformer or converter to ensure its safe and proper functioning in Japan. It’s important to note that the duration of appliance usage can affect the choice between a converter or transformer. Converters are typically used with appliances that operate for short durations (1-2 hours), while transformers can be used with appliances that operate continuously.

Earth Connection and Safety

Some travel adaptors may not be suitable for appliances that require an earth connection. It’s essential to only use these adaptors with double-insulated equipment, which will be clearly marked with the appropriate symbol. Before your trip, we recommend checking your appliances to ensure they meet the requirements and safety standards in Japan.


When traveling to Japan, it’s crucial to consider how your electrical appliances will work safely in a foreign country. By understanding the plug types, voltage requirements, and using the appropriate converters or transformers, you can ensure that your devices operate without any issues. Remember to check the rating plate of your appliances and use the right travel adaptors to enjoy a hassle-free experience during your stay in Japan.

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