You Do Need power plug adapter while traveling from Central African Republic to Isle of Man.

Here is Why You Need An Adapter

The outlet and plug type used in Isle of Man are C and G and in Central African Republic are C and E. This is how they look like.

Central African Republic

In Central African Republic, outlets of type C and E are in use.

Type C

Type E

Isle of Man

In Isle of Man, outlets of type C and G are in use.

Type C

Type G