You Do Need power plug adapter while traveling from Equatorial Guinea to North Cyprus.

Here is Why You Need An Adapter

The outlet and plug type used in North Cyprus is G and in Equatorial Guinea are C and E. This is how they look like.

Equatorial Guinea

In Equatorial Guinea, outlets of type C and E are in use.

Type C

Type E

North Cyprus

In North Cyprus, outlets of type G are in use.

Type G