You Do Need power plug adapter while traveling from Cameroon 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 Cameroon are C and E. This is how they look like.

Cameroon

In Cameroon, outlets of type C and E are in use.

Type C

Type E

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