Unique Media Identifier (UMId) for distribution channels and brands

Safety rules for the construction and installation of lifts - Special lifts for the transport of persons and goods - Part 44: Lifting appliances in wind turbines; German and English version prEN 81-44:2021

Home and Building Electronic Systems (HBES) - Part 4-4: HBES IoT Point API

Radio frequency and coaxial cable assemblies - Part 4-4: Detail specification for multi channel semi-rigid cable assemblies, frequency up to 6000MHz, with type 50-5 semi-rigid coaxial cable

Industrial communication networks - Fieldbus specifications - Part 4-4: Data-link layer protocol specification - Type 4 elements

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-4: Particular requirements for lawn trimmers, lawn edge trimmers, grass trimmers, brush cutters and brush saws

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 4-4: Particular requirements for lawn trimmers, lawn edge trimmers, grass trimmers, brush cutters and brush saws; German and English version prEN IEC 62841-4-4:2019/prAA:2019

Explosive atmospheres - Part 44: Personal Competence (IEC 31/1573/CD:2021); Text in German and English

IEC 60061: Lamp caps and holders together with gauges for the control of interchangeability and safety Part 1: Lamp caps - Amendment 44 Part 2: Lampholders - Amendment 41 Part 3: Gauges - Amendment 42 Part 4: Guidelines and general information - Amendment 13

IEC 60061 series: Lamp caps and holders together with gauges for the control of interchangeability and safety - Amendment 46 to IEC 60061-1, Ed.3: Lamp caps Amendment 43 to IEC 60061-2, Ed.3: Lampholders Amendment 44 to IEC 60061-3, Ed.3: Gauges Amendment 14 to IEC 60061-4, Ed.3: Guidelines and general information