Optical amplifiers - Test methods - Part 5-2: Reflectance parameters - Electrical spectrum analyser method (IEC 61290-5-2:2003); German version EN 61290-5-2:2004
Edition 2004-12

Selection and dimensioning of high-voltage insulators intended for use in polluted conditions, Part 3: Polymer insulators for a.c. systems (IEC/TS 60815-3:2008 (ED 1.0) MOD)
Edition 2020

Selection and dimensioning of high-voltage insulators intended for use in polluted conditions, Part 4: Insulators for d.c. systems (IEC TS 60815-4:2016 (ED 1.0) MOD)
Edition 2020

Selection and dimensioning of high-voltage insulators intended for use in polluted conditions, Part 1: Definitions, information and general principles (IEC/TS 60815-1:2008 (ED 1.0) MOD)
Edition 2020

Methods of measurement for waveguides - Part 3: Variation of group delay (IEC 61580-3:1997); German version EN 61580-3:1997
Edition 1998-03

Methods of measurement for waveguides - Part 6: Return loss on waveguide and waveguide assemblies (IEC 61580-6:1995); German version EN 61580-6:1997
Edition 1998-03

Cable networks for television signals, sound signals and interactive services - Part 7-1: Hybrid Fibre Coax Outside Plant Status Monitoring - Physical (PHY) Layer Specification (IEC 60728-7-1:2003 + A1:2015); English version EN 60728-7-1:2005 + A1:2015
Edition 2016-01

Cable networks for television signals, sound signals and interactive services - Part 7-2: Hybrid fibre coax outside plant status monitoring - Media Access Control (MAC) layer specification (IEC 60728-7-2:2003); German version EN 60728-7-2:2005, text in English
Edition 2005-08

Outdoor bushings for 24 kV and 36 kV and for 5 kA and 8 kA, for liquid filled transformers; German version EN 50243:2022
Edition 2023-06

CHARACTERISTICS OF INDOOR AND OUTDOOR POST INSULATORS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1000 V.
Edition 1996-10-18