You Do Need power plug adapter while traveling from Czech Republic to Pitcairn Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Pitcairn Islands is I and in Czech Republic are C and E. This is how they look like.

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

Type C

Type E

In Pitcairn Islands, outlets of type I are in use.

Type I

I am from

going to