You Do Need power plug adapter while traveling from Burkina Faso to Puerto Rico.

Here is Why You Need An Adapter

The outlet and plug type used in Puerto Rico are A and B 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

Puerto Rico

In Puerto Rico, outlets of type A and B are in use.

Type A

Type B