District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 1: Design

District heating pipes - Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks - Part 2: Installation

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 2-3: Immunity requirements for mains communicating equipment operating in the range of frequencies 3 kHz to 95 kHz and intended for use by electricity suppliers and distributors; German version EN 50065-2-3:2024

Voltage characteristics of electricity supplied by public electricity networks; German version EN 50160:2022

Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems

Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23: Particular requirements and tests for transformers and power supply units for construction sites (IEC 96/563/CDV:2022); German and English version prEN IEC 61558-2-23:2022

Low-voltage surge protective devices - Part 11: Surge protective devices connected to AC low-voltage power systems - Requirements and test methods (IEC 37A/403/CDV:2023); German and English version prEN IEC 61643-11 (Frag 1):2023

Field Device Integration (FDI) - Part 6-100: Technology Mapping - Net

Electrical energy storage (EES) systems - Part 5-1: Safety considerations for grid-integrated EES systems - General specification (IEC 62933-5-1:2024); German version EN IEC 62933-5-1:2024

Test standard for refrigerated appliances for use with distributed renewable energy sources (off grid) or weak grid