You Do Need power plug adapter while traveling from Poland to Cocos (Keeling) Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Cocos (Keeling) Islands is I and in Poland are C and E. This is how they look like.

In Poland, outlets of type C and E are in use.

Type C

Type E

In Cocos (Keeling) Islands, outlets of type I are in use.

Type I

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