Which plug adaptor do I need when travelling from Peru to United States of America?

Summary

The table below summarises the plug types, voltage and frequency of electrical current in both Peru and United States of America.

	Peru	United States of America
Plug Types	A, B, C	A, B
Voltage	220V	120V
Frequency of electrical current	60Hz	60Hz

Plug Adaptors

In Peru there's more than one plug type in use.

What type of plug does your appliance have?

Type A
Type B
Type C

Your Appliance has Plug Type A

In United States of America there's more than one socket type in use.

You will need this adaptor:

Socket Type
(Peru) to Plug Type B
(United States of America)

United States of America also uses Socket Type A, which is used in Peru. If using an appliance that has a Type A Plug in the Type A Sockets of United States of America, you will not need an adaptor.

Your Appliance has Plug Type B

In United States of America there's more than one socket type in use.

You will need this adaptor:

Socket Type
(Peru) to Plug Type A
(United States of America)

United States of America also uses Socket Type B, which is used in Peru. If using an appliance that has a Type B Plug in the Type B Sockets of United States of America, you will not need an adaptor.

Your Appliance has Plug Type C

In United States of America there's more than one socket type in use. You may require more than one adaptor.

Socket Type C
(Peru) to Plug Type A
(United States of America)

Socket Type C
(Peru) to Plug Type B
(United States of America)

Warnings

Voltage

The voltages found in Peru and United States of America are significantly different.

Some appliances are compatible with multiple voltages. To find out if your appliance is one of them, check the appliance label and/or instruction booklet.

See examples of appliance labels

Appliance label showing a voltage of 240 volts — This appliance is only compatible with a single voltage as only one voltage (240V) is printed on the label.

Appliance label showing a tolerable voltage range of 100 to 240 volts — This appliance is compatible with a range of voltages as it shows two voltage figures with a dash in between them. In this example, the appliance may be plugged into any outlet ranging from 100 to 240V without a voltage transformer, though a socket adaptor would still be needed if the sockets don't match.

Appliance label showing two tolerable voltages: 115 volts and 230 volts — This appliance is compatible two voltages as it shows two voltage figures with a slash between them. Appliances displaying labels like this will have a physical switch located on them somewhere, allowing you to switch between the two voltages shown here. In this example, the appliance may be plugged into an outlet of 115V or 240V (provided the switch is in the correct position) without a voltage transformer, though a socket adaptor would still be needed if the sockets don't match.

Is your appliance compatible with the voltage used in United States of America (120V)?

If your appliance is not compatible with multiple voltages, you will need a transformer to adjust the voltage input when using your appliance in United States of America.

Good to know

Frequency of Electrical Current

The frequency found in Peru and United States of America is exactly the same (60Hz). Timing devices and appliances that use motors will function as expected under this frequency.

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