Don’t require power plug adapter while traveling from Tuvalu to Niue.

Here's why you do not need an adapter

The outlet and plug type used in Niue is I and in Tuvalu is I and they are compatible with each other.

Tuvalu

In Tuvalu, outlets of type I are in use.

Type I

Niue

In Niue, outlets of type I are in use.

Type I