You Do Need power plug adapter while traveling from Guam to San Marino.

Here is Why You Need An Adapter

The outlet and plug type used in San Marino are C, F and L and in Guam are A and B. This is how they look like.


Guam

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

Type A
Type B

San Marino

In San Marino, outlets of type C, F and L are in use.

Type C
Type F
Type L

Plug and Socket Compatibility Checker

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