You Do Need power plug adapter while traveling from San Marino to Christmas Island.

Here is Why You Need An Adapter

The outlet and plug type used in Christmas Island is I and in San Marino are C, F and L. This is how they look like.

In San Marino, outlets of type C, F and L are in use.

Type C

Type F

Type L

In Christmas Island, outlets of type I are in use.

Type I

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