You Do Need power plug adapter while traveling from Central African Republic to Papua New Guinea.

Here is Why You Need An Adapter

The outlet and plug type used in Papua New Guinea is I and in Central African Republic are C and E. This is how they look like.

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

Type C

Type E

In Papua New Guinea, outlets of type I are in use.

Type I

I am from

going to