IEC 60216-5 Electrical insulating materials - Thermal endurance properties - Part 5: Determination of relative temperature index (RTI) of an insulating material*, 2022-11-18 Update
IEC 60243-1 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
IEC 60247 Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan ) and d.c. resistivity
IEC 60296 Fluids for electrotechnical applications – Mineral insulating oils for electrical equipment*, 2020-06-26 Update
IEC 60317 Specifications for particular types of winding wires — Part 93: Polyester or polyesterimide overcoated with polyamide-imide enamelled rectangular copper wire, class 220*, 2023-07-31 Update
IEC 60450 Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials
IEC 60505:2011 Evaluation and qualification of electrical insulation systems
IEC 60554-2 Cellulosic papers for electrical purposes - Part 2: Methods of test
IEC 60567 Oil-filled electrical equipment - Sampling of free gases and analysis of free and dissolved gases in mineral oils and other insulating liquids - Guidance*, 2023-12-08 Update
IEC 60599 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis*, 2022-05-25 Update