You Do Need power plug adapter while traveling from Hong Kong to New Caledonia.

Here is Why You Need An Adapter

The outlet and plug type used in New Caledonia are C and F and in Hong Kong is G. This is how they look like.

In Hong Kong, outlets of type G are in use.

Type G

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

Type C

Type F

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