2013KS C IEC 60051-1:2013 Direct acting indicating analogue electrical measuring instruments and their accessories-Part 1:Definitions and general requirements common to all parts
2008KS C IEC 60055-1:2008 Paper-insulated metal-sheathed cables for rated voltages up to 18/30 kV(with copper or aluminium conductors and excluding gas-pressure and oil-filled cables)-Part 1:Tests on cables and their accessories