You Do Need power plug adapter while traveling from Dominican Republic 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 Dominican Republic are A, B and C. This is how they look like.

Dominican Republic

In Dominican Republic, outlets of type A, B and C are in use.

Type A

Type B

Type C

New Caledonia

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

Type C

Type F