You Do Need power plug adapter while traveling from Balearic Islands to South Sudan.

Here is Why You Need An Adapter

The outlet and plug type used in South Sudan are C and D and in Balearic Islands are C and F. This is how they look like.

Balearic Islands

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

Type C

Type F

South Sudan

In South Sudan, outlets of type C and D are in use.

Type C

Type D