You Do Need power plug adapter while traveling from Guinea-Bissau to Thailand.

Here is Why You Need An Adapter

The outlet and plug type used in Thailand are A, B, C and O and in Guinea-Bissau is C. This is how they look like.

In Guinea-Bissau, outlets of type C are in use.

Type C

In Thailand, outlets of type A, B, C and O are in use.

Type A

Type B

Type C

Type O

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