You Do Need power plug adapter while traveling from Liberia to Dominican Republic.

Here is Why You Need An Adapter

The outlet and plug type used in Dominican Republic are A, B and C and in Liberia are A, B, C and F. This is how they look like.

Liberia

In Liberia, outlets of type A, B, C and F are in use.

Type A

Type B

Type C

Type F

Dominican Republic

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

Type A

Type B

Type C