Intended as a guide to manufacturers of cables and cable connectors to assist in ensuring that connectors and cable conductors fit together. Gives guidance on dimensional limits for the following types of conductor included in IEC 60228:-circular solid conductors, Class 1, of copper and aluminium;-circular and compacted circular stranded conductors, Class 2, of copper and aluminium;-flexible conductors, Class 5, of copper:-flexible conductors, Class 6, of copper.