You Do Need power plug adapter while traveling from Central African Republic to Antigua and Barbuda.

Here is Why You Need An Adapter

The outlet and plug type used in Antigua and Barbuda are A and B and in Central African Republic are C and E. This is how they look like.

Central African Republic

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

Type C

Type E

Antigua and Barbuda

In Antigua and Barbuda, outlets of type A and B are in use.

Type A

Type B