The UK to IEC C15 mains cable more commonly known 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 including high temperature devices such as kettles.N/AN/AThe C15 connector although similar in appearance to the C13 has a higher temperature rating of 170 degrees rather than 70 degrees. You can tell the difference between a C13 and a C15 connector by the notch in the connector; this means a C15 plug will work with a C14 and a C16 socket. A C13 plug however will only work in a C14 socket.