Which plug adaptor do I need when travelling from Dominican Republic to Mexico?

Summary

The table below summarises the plug types, voltage and frequency of electrical current in both Dominican Republic and Mexico.

	Dominican Republic	Mexico
Plug Types	A	A
Voltage	110V	127V
Frequency of electrical current	60Hz	60Hz

Plug Adaptors

Dominican Republic uses Plug Type A.

Your Appliance has Plug Type A

No adaptor needed

Mexico uses Socket Type A, which is the same as the plug type of your appliances from Dominican Republic. You will not need an adaptor.

Warnings

Voltage

The voltages found in Dominican Republic and Mexico 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 120 volts — This appliance is only compatible with a single voltage as only one voltage (120V) 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 Mexico (127V)?

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

Good to know

Frequency of Electrical Current

The frequency found in Dominican Republic and Mexico is exactly the same (60Hz). Timing devices and appliances that use motors will function as expected under this frequency.

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