Czech Republic uses a different plug shape (Type C/E) and runs on 230V — you'll need a plug adapter, and possibly a voltage converter for single-voltage devices.
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| Plug types | C, E |
| Voltage | 230V |
| Frequency | 50Hz |
| US standard | Type A/B, 120V, 60Hz |
Type C (two round pins, ungrounded ("Europlug")), Type E (two round pins plus a female ground hole (French style)).
Czech Republic uses Type C (two round pins, ungrounded ("Europlug")), Type E (two round pins plus a female ground hole (French style)).
Yes — Czech Republic's outlets use a different shape than US plugs, so you'll need a plug adapter.
Czech Republic runs on 230V at 50Hz, notably different from the US standard of 120V — check that your device is rated for this voltage before plugging in directly.
Most modern electronics (phone and laptop chargers) are dual-voltage (100-240V) and only need a plug adapter, not a converter. Single-voltage, high-wattage devices like hair dryers or straighteners may need an actual voltage converter — check the label near the plug prongs for the input voltage range.