Rotating electrical machines - Part 27-4: Measurement of insulation resistance and polarization index on winding insulation of rotating electrical machines ((IEC 60034-27-4:2018) EN IEC 60034-27-4:2018) (german version)
Edition 2019-06-01

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-24: Examinations and measurements - Keying accuracy of optical connectors for polarization maintaining fibre (IEC 61300-3-24:2006)
Edition 2007-09-01

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-55:Examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components (Endorsed by Asociación Española de Normalización in August of 2020.)
Edition 2020-08-01

Magnetics materials - Specification for electrical steel strip and sheet with specified mechanical properties and magnetic polarisation

BS EN 10265 Magnetics materials - Specification for electrical steel strip and sheet with specified mechanical properties and magnetic polarisation
Edition 2023-11-30

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-2: Examinations and measurements - Polarization dependent loss in a single-mode fibre optic device (IEC 61300-3-2:2009) (german version)
Edition 2009-10-01

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-55 : examinations and measurements - Polarisation extinction ratio and keying accuracy of polarisation maintaining, passive, optical components
Edition 2020-06-26

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-32 : examinations and measurements - Polarisation mode dispersion measurement for passive optical components
Edition 2006-12-01

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-2 : examination and measurements - Polarisation dependent loss in a single-mode fibre optic device
Edition 2014-12-26

Fibre optic interconnecting devices and passive components - Basic test and measurement procedures. Part 3-32: Examinations and measurements - Polarisation mode dispersion measurement for passive optical components
Edition 2006-09