You Do Need power plug adapter while traveling from Faroe Islands to Western Sahara.

Here is Why You Need An Adapter

The outlet and plug type used in Western Sahara are C and E and in Faroe Islands are C, E, F and K. This is how they look like.

Faroe Islands

In Faroe Islands, outlets of type C, E, F and K are in use.

Type C

Type E

Type F

Type K

Western Sahara

In Western Sahara, outlets of type C and E are in use.

Type C

Type E