You Do Need power plug adapter while traveling from Tahiti to El Salvador.

Here is Why You Need An Adapter

The outlet and plug type used in El Salvador are A and B and in Tahiti are C and E. This is how they look like.

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

Type C

Type E

In El Salvador, outlets of type A and B are in use.

Type A

Type B

I am from

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