IEC 61984:2008 applies to connectors with rated voltages above 50 V and up to 1000 V a.c. and d.c. and rated currents up to 125 A per contact, for which either no detail specification exists or the detail specification calls up this standard for safety aspects. Changes with respect to the previous edition include: addition of new definitions, of new clauses, tables and annexes for clarification, improvement and better readability.