You Do Need power plug adapter while traveling from Jordan 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 Jordan are C, D, F, G and J. This is how they look like.

Jordan

In Jordan, outlets of type C, D, F, G and J are in use.

Type C

Type D

Type F

Type G

Type J

Cocos (Keeling) Islands

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

Type I