You Do Need power plug adapter while traveling from Equatorial Guinea to United Kingdom (UK).

Here is Why You Need An Adapter

The outlet and plug type used in United Kingdom (UK) is G and in Equatorial Guinea are C and E. This is how they look like.

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

Type C

Type E

In United Kingdom (UK), outlets of type G are in use.

Type G

I am from

going to