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Power plug in United States: type, voltage, adapter needed?

Flag of United Kingdom
United Kingdom
Flag of United States
United States
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Prepare your trip in United States: electrical outlets are different from those used in United Kingdom.

Adapter required
Flag of United Kingdom

Type G

Flag of United States

Type A/B

Incompatible plugs
120V
Warning: 230V → 120V

Check your devices

60Hz
50Hz → 60Hz

Motor devices may be affected

No, plugs are not compatible

Type G plugs (United Kingdom) don't work with type A/B outlets (United States).

Plug type comparison between United Kingdom and United States

Discover the differences between plugs used in United Kingdom and those used in United States. This visual comparison helps you quickly identify if your devices will be compatible.

Voltage and frequency information in United States

Before plugging in your electronic devices in United States, check that the voltage and frequency are compatible with your equipment to avoid damage.

CountryVoltageFrequencyPlug types
Flag of United Kingdom
United Kingdom
230V50Hz
Type G
Flag of United States
United States
120V60Hz
Type AType B

Voltage Converter May Be Required

The voltage is different: 230V → 120V. Check if your devices support dual voltage (100-240V).

Understanding voltage in United States

United States uses a 120V electrical network. Most modern devices (chargers, laptops) are 100-240V compatible and adapt automatically. Check your device labels before traveling in United States. Motor appliances like hair dryers may require a converter.

Understanding frequency in United States

The electrical network in United States operates at 60Hz. This frequency mainly affects motor-driven devices (analog clocks, turntables). Modern electronics like smartphones and computers automatically adapt to different frequencies.

Frequently Asked Questions

Do I need an adapter for plugs in United States?
Yes, you will need an adapter to use your electrical devices in United States. United States uses type A/B plugs which are not compatible with type G plugs used in United Kingdom. We recommend buying a universal adapter before your trip.
What is the voltage in United States?
The electrical voltage in United States is 120V. This is different from the voltage in United Kingdom (230V). Most modern devices (chargers, computers) support 100-240V and adapt automatically. Check your device labels.
What is the frequency in United States?
The electrical frequency in United States is 60Hz. In United Kingdom, the frequency is 50Hz. Frequency mainly affects motor-driven devices. Modern electronics adapt automatically.
What type of electrical plug in United States?
United States uses type A and B plugs. These plugs are different from those used in United Kingdom (type G), so you will need an adapter. Type A plugs are most common in United States.

Travel tips for United States

Prepare your trip in United States by following these recommendations to avoid unpleasant surprises with your electrical devices.

1

Most modern devices (phones, computers) have built-in converters (100-240V)

2

Check your device adapter label before traveling

3

Hair dryers and curling irons often require a voltage converter

4

Consider buying a universal adapter for multiple destinations

Summary for United States

To travel in United States from United Kingdom, you will need a plug adapter. United States uses type A/B plugs (120V, 60Hz), while United Kingdom uses type G plugs (230V, 50Hz). Consider getting a universal adapter before your trip.

Planning to visit other countries after United States?

Check if neighboring countries use the same plugs as in United States