You Do Need power plug adapter while traveling from Great Britain to Martinique.

Here is Why You Need An Adapter

The outlet and plug type used in Martinique are C, D and E and in Great Britain is G. This is how they look like.

In Great Britain, outlets of type G are in use.

Type G

In Martinique, outlets of type C, D and E are in use.

Type C

Type D

Type E

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