EN 61131-2 : programmable controllers: part 2: equipment requirements and tests: (IEC 61131-2: 2003) / European Committee for Electrotechnical Standardization
EN 61204-3 : December 2000: low-voltage power supplies, d.c. output: part 3: electromagnetic compatibility (EMC): (IEC 61204-3: 2000) / European Committee for Electrotechnical Standardization
EN 61305-3 : household high-fidelity audio equipment and systems: methods of measuring and specifying the performance: part 3: amplifiers: (IEC 1305-3: 1995 / European Commitee for Electrothecnical Standardization
EN 61580-1 : methods of measurement for waveguides: part 1: decoupling and rotation of the plane of polarization: (IEC 1580-1: 1996) / European Commitee for Electrothecnical Standardization