IEC connector
IEC connectors are electrical power connectors specified by IEC standards.
Mostly, the term is used for connectors in the IEC 320 standard issued in 1970 (since re-numbered to IEC 60320), and most often for the ubiquitous C13 / C14 type mains power inlet connector.
Pictures
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IEC320C14 power inlet
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IEC320C13 cable connectors