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

Here is Why You Need An Adapter

The outlet and plug type used in Gaza Strip are C and H 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 Gaza Strip, outlets of type C and H are in use.

Type C

Type H

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