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

Here is Why You Need An Adapter

The outlet and plug type used in Marshall Islands 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

Marshall Islands

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

Type A

Type B