You Do Need power plug adapter while traveling from Papua New Guinea to Burkina Faso.

Here is Why You Need An Adapter

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

Papua New Guinea

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

Type I

Burkina Faso

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

Type C

Type E