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

Burkina Faso

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

Type C

Type E

Papua New Guinea

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

Type I