You Do Need power plug adapter while traveling from Gaza Strip to Sierra Leone.

Here is Why You Need An Adapter

The outlet and plug type used in Sierra Leone are D and G and in Gaza Strip are C and H. This is how they look like.

In Gaza Strip, outlets of type C and H are in use.

Type C

Type H

In Sierra Leone, outlets of type D and G are in use.

Type D

Type G

I am from

going to