The acronym IEC stands for International Electrotechnical Commission, who are an international standards organisation. The two IEC standards that cover the plug and sockets that are commonly used in the data centre industry are IEC60320 and IEC60309. The IEC60320 standard covers what everyone refers to as an ‘IEC socket’. The 10Amp rated IEC C13 socket which is the most common outlet used in Data Centre PDU’s globally. Mixed socket PDU’s usually also have the 16Amp rated C19 socket. Integra can supply mixed socket PDU’s in both locking and non locking versions. The compatible plug to go with the C13 is the C14 and the plug to fit the C19 is the C20. The IEC60309 standard covers what most people refer to as a Commando plug. It’s the 16Amp, 32Amp and sometimes 63Amp plugs in either single phase or 3Phase that power rack PDU’s. It also covers the industrial sockets that the PDU’s plug into. Integra offer a range of splitter boxes that allow the installer to split 3phase down to single phase or split higher amperages down to 32Amps or 16Amps.