UK Mains Plug to Right Angled IEC (C13 Kettle Lead) The right angled IEC (C13) to UK mains cable, more commonly know as a kettle lead 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 right angled connector can be very useful for space saving and still maintaining a good connection. The PVC connectors are moulded to provide a high quality cable which is perfect for home or office use.