You Do Need power plug adapter while traveling from Puerto Rico 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 Puerto Rico are A and B. This is how they look like.

In Puerto Rico, outlets of type A and B are in use.

Type A

Type B

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

Type C

Type G

I am from

going to