CY IEC C14 Male to 3 Three C13 Female Y Type Splitter Extension Cable 20cm IEC C14 Male to 3 Three C13 Female Y Type Splitter Extension Cable 20cm The IEC (C14) to three IEC (C13) extension cable, more commonly know as a kettle lead extension cable is used for powering a variety of electrical appliances such as PC base units, monitors, printers & photocopiers and a whole host of other equipment. The PVC connectors are sonically welded to provide a high quality cable which is perfect for home or office use.