Which plug adaptor do I need when travelling from Eritrea to Korea, South?

Summary

The table below summarises the plug types, voltage and frequency of electrical current in both Eritrea and Korea, South.

	Eritrea	Korea, South
Plug Types	C	C, F
Voltage	230V	220V
Frequency of electrical current	50Hz	60Hz

Plug Adaptors

Eritrea uses Plug Type C.

Your Appliance has Plug Type C

In Korea, South there's more than one socket type in use.

You will need this adaptor:

Socket Type
(Eritrea) to Plug Type F
(Korea, South)

Korea, South also uses Socket Type C, which is used in Eritrea. If using an appliance that has a Type C Plug in the Type C Sockets of Korea, South, you will not need an adaptor.

Considerations

Voltage

The voltages found in Eritrea (230V) and Korea, South (220V) 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 Eritrea (50Hz) differs to that found in Korea, South (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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