You Do Need power plug adapter while traveling from Sri Lanka 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 Sri Lanka is G. This is how they look like.

In Sri Lanka, outlets of type G are in use.

Type G

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

Type I

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