You Do Need power plug adapter while traveling from Cayman Islands to Liberia.

Here is Why You Need An Adapter

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

Cayman Islands

In Cayman Islands, outlets of type A and B are in use.

Type A

Type B

Liberia

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

Type A

Type B

Type C

Type F