You Do Need power plug adapter while traveling from South Africa 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 South Africa are C, M and N. This is how they look like.

South Africa

In South Africa, outlets of type C, M and N are in use.

Type C

Type M

Type N

Burkina Faso

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

Type C

Type E