Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-7: Portable low voltage decoupling filters - Safety requirements; German and English version prEN 50065-4-7:2021

Signalling on low voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-2: Low voltage decoupling filters - Safety requirements; German and English version prEN 50065-4-2:2021

Draft for Comments and call for experts and project leader: EN 50159: Railway applications - Communication, signalling and processing systems - Safety-related communication in transmission systems

Maintenance of publications:- IEC 61000-2-2: Electromagnetic compatibility (EMC) - Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems and IEC 61000-2-12: Electromagnetic compatibility (EMC) - Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems

Alarm systems - Part 7-12: Message formats and protocols for serial data interfaces in alarm transmission systems - PTT interfaces for dedicated communications channels using ITU-T Recommendation V.23 signalling

Alarm systems - Part 7-20: Message formats and protocols for serial data interfaces in alarm transmission systems - Terminal interfaces employing ITI-T Recommendation V.24/V.28 signalling

Alarm systems - Part 7-6: Message formats and protocols for serial data interfaces in alarm transmission systems - Alarm system interfaces employing ITU-T Recommendation V.24/V.28 signalling

Electromagnetic Compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems - Technical Specification

Lighting and light-signalling devices on motor vehicles — Part 7: Convoy light, detail standard; Text in German and English

Electric signalling systems for railways