You Do Need power plug adapter while traveling from Isle of Man to Namibia.

Here is Why You Need An Adapter

The outlet and plug type used in Namibia are D and M and in Isle of Man are C and G. This is how they look like.

In Isle of Man, outlets of type C and G are in use.

Type C

Type G

In Namibia, outlets of type D and M are in use.

Type D

Type M

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