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

Kuwait

In Kuwait, outlets of type G are in use.

Type G

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