Fibre optic interconnecting devices and passive components - Performance standard - Part 031-3: Non-connectorized single-mode 1xN and 2xN non-wavelength-selective branching devices for Category U - Uncontrolled environment (IEC 61753-031-3:2014); German version EN 61753-031-3:2015
Edition 2015-09

Fibre optic interconnecting devices and passive components - Performance standard - Part 031-6: Non-connectorized single-mode 1xN and 2xN non-wavelengthselective branching devices for Category O - Uncontrolled environment (IEC 61753-031-6:2014); German version EN 61753-031-6:2014
Edition 2015-07

Fibre optic interconnecting devices and passive components - Performance standard - Part 031-2: Non-connectorized single-mode 1×N and 2×N non-wavelength-selective branching devices for Category C - Controlled environment (IEC 61753-031-2:2014); German version EN 61753-031-2:2014
Edition 2015-07

Bushings up to 1 kV and from 250 A to 5 kA, for liquid filled transformers; German version EN 50386:2010/A1:2013
Edition 2014-07

Fibre optic interconnecting devices and passive components - Performance standard - Part 121-3: Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category U - Uncontrolled environment (IEC 61753-121-3:2010); German version EN 61753-121-3:2010
Edition 2011-02

Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 3: Requirements for bushing fixations; German version EN 50180-3:2015 + A1:2017
Edition 2019-11

Insulators - Ceramic or glass - Hollow pressurized and unpressurized - Voltages greater than 1000 V a.c.
Edition 2005

Fittings for overhead lines - Part 478: Clevis straps
Edition 2017-07

Suspension and Post Type Insulators for Electric Power Overhead Lines General Use Information
Edition 2019

Suggested Purchase Specification Guidelines for High Voltage Insulators
Edition 2019