You Do Need power plug adapter while traveling from South Africa to Gaza Strip.

Here is Why You Need An Adapter

The outlet and plug type used in Gaza Strip are C and H and in South Africa are C, M and N. This is how they look like.

South Africa

In South Africa, outlets of type C, M and N are in use.

Type C

Type M

Type N

Gaza Strip

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

Type C

Type H