IEC 61300-3-4 Ed. 4.0 b:2023

Fibre optic interconnecting devices and passive components – Basic test and measurement procedures – Part 3-4: Examinations and measurements – Attenuation
standard by International Electrotechnical Commission, 05/01/2023

IEC 61558-2-7 Ed. 3.0 b:2023

Safety of power transformers, power supplies, reactors and similar products – Part 2-7: Particular requirements and tests for transformers and power supplies for toys
standard by International Electrotechnical Commission, 06/01/2023

IEC 61076-8-108 Ed. 1.0 b:2023

Connectors for electrical and electronic equipment – Product requirements – Part 8-108: Power connectors – Detail specification for 2P 250 A, 1 000 V plus 2P 5 A 50 V rectangular housing shielded connectors with IP65/IP68 degree of protection when mated and locked, and IPXXB when unmated
standard by International Electrotechnical Commission, 05/01/2023

IEC 60840 Ed. 5.1 en:2023

Power cables with extruded insulation and their accessories for rated voltages above 30 kV (Um = 36 kV) up to 150 kV (Um = 170 kV) – Test methods and requirements
standard by International Electrotechnical Commission, 06/01/2023