Which plug adaptor do I need when travelling from Guinea-Bissau to St. Kitts and Nevis?

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Summary

The table below summarises the plug types, voltage and frequency of electrical current in both Guinea-Bissau and St. Kitts and Nevis.

Guinea-BissauSt. Kitts and Nevis
Plug TypesCD, G
Voltage220V230V
Frequency of electrical current50Hz60Hz

Plug Adaptors

Guinea-Bissau uses Plug Type C.

Your Appliance has Plug Type C

In St. Kitts and Nevis there's more than one socket type in use. You may require more than one adaptor.

Socket Type C
(Guinea-Bissau) to Plug Type D
(St. Kitts and Nevis)

Socket Type C
(Guinea-Bissau) to Plug Type G
(St. Kitts and Nevis)

Considerations

Voltage

The voltages found in Guinea-Bissau (220V) and St. Kitts and Nevis (230V) are not exactly the same, but the difference is tolerable, so you should not need a transformer.

Frequency of Electrical Current

The frequency of electrical current found in Guinea-Bissau (50Hz) differs to that found in St. Kitts and Nevis (60Hz).

Most equipment is not affected by differences in frequencies. Some exceptions are:

  • Electric clocks: Some electric clocks use the frequency of electrical current to measure time. If the clock is designed for one frequency, but used with another, time shifts could be experienced.
  • Appliances using motors: If there is a motor load associated with an appliance, the frequency governs the speed in revolutions of the motor. This could mean that the motor will spin faster, or slower than intended and could have a detrimental effect in the appliance's operation. This is of particular concern in power tools and other machinery that uses motors, so if you must use these, you should seek access to a frequency converter.

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