You Do Need power plug adapter while traveling from Canary 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 Canary Islands are C, E and F. This is how they look like.

Canary Islands

In Canary Islands, outlets of type C, E and F are in use.

Type C

Type E

Type F

Liberia

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

Type A

Type B

Type C

Type F