Photovoltaic systems - Power conditioners - Procedure for measuring efficiency

Photovoltaic system performance - Part 1: Monitoring

Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance

Fibre optic interconnecting devices and passive components - Performance standard - Part 021-03: Single-mode fibre optic connectors terminated as pigtails and patchcords for category OP - Outdoor protected environment (IEC 86B/5006/CDV:2025); German and English version prEN IEC 61753-021-03:2025

Fibre optic interconnecting devices and passive components - Performance standard - Part 021-07: Hardened fibre optic connectors terminated on singlemode fibre for category A - Outdoor aerial environment

Fibre optic interconnecting devices and passive components Performance standard - Part 021-08: Hardened fibre optic connectors terminated on singlemode fibre for category G Outdoor ground environment

Fibre optic interconnecting devices and passive components - Performance standard - Part 022-02: Multimode fibre optic connectors terminated as pigtails and patchcords for category C - Controlled environment (IEC 86B/5007/CDV:2025); German and English version prEN IEC 61753-022-02:2025

Fibre optic interconnecting devices and passive components - Performance standard - Part 022-13: Fibre optic connectors terminated on multimode fibre for category OP+HD - Extended outdoor protected environment with additional heat dissipation (IEC 86B/4446/CD:2021); Text in German and English

Fibre optic interconnecting devices and passive components - Performance standard - Part 042-02: Plug-pigtail-style and plug-receptacle-style of OTDR reflecting devices for category C - Controlled environments (IEC 86B/4985/CDV:2025); German and English version prEN IEC 61753-042-02:2025

Fibre optic interconnecting devices and passive components performance standard - Part 083-02: Non-connectorised single-mode fibre optic C-band/L-band WDM devices for category C - Controlled environment