Don’t require power plug adapter while traveling from Russia to Guinea-Bissau.

Here's why you do not need an adapter

The outlet and plug type used in Guinea-Bissau is C and in Russia are C and F and they are compatible with each other.

Russia

In Russia, outlets of type C and F are in use.

Type C

Type F

Guinea-Bissau

In Guinea-Bissau, outlets of type C are in use.

Type C