A range of connection cables for electrical appliances, the majority of which terminate in connectors conforming to IEC 60320. IEC (International Electrotechnical Commission) is the international standards and conformity assessment body. The drawing illustrates the range of connector types offered in this section - "Odd" numbers "C" refer to a plug-type connector - the mains input - and "even" numbers "C" refer to a plug-type connector - the device input. .