You Do Need power plug adapter while traveling from Abu Dhabi to South Africa.

Here is Why You Need An Adapter

The outlet and plug type used in South Africa are C, M and N and in Abu Dhabi is G. This is how they look like.

Abu Dhabi

In Abu Dhabi, outlets of type G are in use.

Type G

South Africa

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

Type C

Type M

Type N