IEC 60417: Graphical symbol for use on small transformers 5948 Pr: Perturbation attenuation isolating transformer, general

IEC 60417: Graphical symbol for use on small transformers 5949 Pr: Perturbation attenuation isolating transformer, short-circuit proof

IEC 61280-4-1 Ed. 2: Fibre-optic communication subsystem test procedures - Part 4-1: Installed cable plant - Multimode attenuation measurement

IEC 62153-4-0: Metallic communication cable test methods - Part 4-0: Electromagnetic Compatibility (EMC) - Relationship between Surface transfer impedance and Screening attenuation, recommended limits

IEC 62153-4-14 Ed.1.0: Metallic communication cable test methods - Part 4-14: Electromagnetic compatibility (EMC) - Coupling attenuation of cable assemblies (Field conditions) absorbing clamp method

IEC 62153-4-4 Ed. 2.0: METALLIC COMMUNICATION CABLE TEST METHODS - Part 4-4: Electromagnetic compatibility (EMC) - Shielded screening attenuation, test method for measuring of the screening attenuation as up to and above 3 GHz

IEC 62153-4-4 Ed. 2: Metallic communication cable test methods - Part 4 - 4: Electro Magnetic Compatibility (EMC) - Shielded screening attenuation, test method for measuring of the screening attenuation

IEC 62153-4-7: Metallic Communication Cable test methods - Part 4-7: Electromagnetic compatibility (EMC) - Shielded screening attenuation test method for measuring the Transfer impedance ZT and the screening attenuation aS or the Coupling attenuation aC of RF-Connectors and assemblies up to and above 3 GHz; Tube in Tube method

Comments received on 46A/433/NP (Coaxial cables for use in cabled distribution networks - Part 2-20: Test for attenuation and phase coefficient)

IEC 61726/Ed.2: Cable assemblies, cables, connectors and passive microwave components - screening attenuation measurement by the reverberation chamber method.