You Do Need power plug adapter while traveling from Cayman Islands to Central African Republic.

Here is Why You Need An Adapter

The outlet and plug type used in Central African Republic are C and E 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

Central African Republic

In Central African Republic, outlets of type C and E are in use.

Type C

Type E