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

Here is Why You Need An Adapter

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

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

Type I

In Argentina, outlets of type C and I are in use.

Type C

Type I

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