You Do Need power plug adapter while traveling from Japan to United Kingdom (UK).

Here is Why You Need An Adapter

The outlet and plug type used in United Kingdom (UK) is G and in Japan are A and B. This is how they look like.


Japan

In Japan, outlets of type A and B are in use.

Type A
Type B

United Kingdom (UK)

In United Kingdom (UK), outlets of type G are in use.

Type G

Plug and Socket Compatibility Checker

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