You Do Need power plug adapter while traveling from Cayman Islands to Jordan.

Here is Why You Need An Adapter

The outlet and plug type used in Jordan are C, D, F, G and J and in Cayman Islands are A and B. This is how they look like.

Cayman Islands

In Cayman Islands, outlets of type A and B are in use.

Type A

Type B

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