You Do Need power plug adapter while traveling from United States Virgin Islands to Pitcairn Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Pitcairn Islands is I and in United States Virgin Islands are A and B. This is how they look like.

In United States Virgin Islands, outlets of type A and B are in use.

Type A

Type B

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

Type I

I am from

going to