IEC 60940:2026 pdf download,Application of capacitors, resistors, inductors and complete filter units for electromagnetic interference suppression – General rules and safety requirements. IEC 60940:2026 lays out general rules and safety requirements for applying EMI (electromagnetic interference) suppression parts in equipment connected to AC mains or other supplies (up to specified voltage and frequency limits). It

IEC 62807-2:2026 pdf download,Hybrid communication cables – Part 2: Indoor hybrid cables – Sectional specification. IEC 62807-2:2026 is a sectional specification for indoor hybrid communication cables. It standardizes what such cables are, how they are built, and what performance levels and test methods they must meet. The standard covers hybrid cables that combine optical fibre

IEC 60076-4:2026 pdf download,Power transformers – Part 4: Lightning impulse and switching impulse tests of power transformers and reactors. IEC 60076-4:2026 is a guide/standard in the IEC 60076 transformer series that details the methods for lightning impulse and switching impulse testing of power transformers and reactors. It explains how to perform these high-voltage impulse tests

IEC 63223-2:2026 pdf download,Management of network assets in power systems – Part 2: Risk-informed decision-making process. IEC 63223-2:2026 describes a risk-informed decision-making (RIDM) process for managing existing network assets in power systems. It provides requirements, recommendations, and examples to help asset owners, managers, and risk stakeholders make investment and maintenance decisions that are transparent, consistent,

IEC 63066:2026 pdf download,Low-voltage docking connectors for removable energy storage units. IEC 63066:2026 specifies safety and performance requirements for low-voltage docking connectors used to connect removable (or swappable) energy storage units to other equipment, such as a power conversion unit, an energy-consuming unit, or another energy storage unit. It applies to DC docking connectors that