You Do Need power plug adapter while traveling from Czech Republic to United States of America (US) USA.

Here is Why You Need An Adapter

The outlet and plug type used in United States of America (US) USA are A and B and in Czech Republic are C and E. This is how they look like.

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

Type C

Type E

In United States of America (US) USA, outlets of type A and B are in use.

Type A

Type B

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