You Do Need power plug adapter while traveling from Vatican City 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 Vatican City are C, F and L. This is how they look like.

In Vatican City, outlets of type C, F and L are in use.

Type C

Type F

Type L

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

Type I

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