You Do Need power plug adapter while traveling from Japan to North Korea.

Here is Why You Need An Adapter

The outlet and plug type used in North Korea is C 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

North Korea

In North Korea, outlets of type C are in use.

Type C

Plug and Socket Compatibility Checker

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