You Do Need power plug adapter while traveling from New Caledonia to Pitcairn Islands.

Here is Why You Need An Adapter

The outlet and plug type used in Pitcairn Islands is I and in New Caledonia are C and F. This is how they look like.

In New Caledonia, outlets of type C and F are in use.

Type C

Type F

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

Type I

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