IEC 61439-1 Ed. 3.0 b Cor. 1:2021

Corrigendum 1 to Low-voltage switchgear and controlgear assemblies – Part 1: General rules
Amendment by International Electrotechnical Commission, 12/01/2021

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IEC /IEEE 60079-30-2 Ed. 1.0 en:2015

Explosive atmospheres – Part 30-2: Electrical resistance trace heating – Application guide for design, installation and maintenance
standard by International Electrotechnical Commission, 09/01/2015

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IEC 61280-4-1 Ed. 3.1 b:2021

Fibre-optic communication subsystem test procedures – Part 4-1: Installed cabling plant – Multimode attenuation measurement CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 12/01/2021

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IEC 63218 Ed. 1.0 b:2021

Secondary cells and batteries containing alkaline or other non-acid electrolytes – Secondary lithium, nickel cadmium and nickel-metal hydride cells and batteries for portable applications – Guidance on environmental aspects
standard by International Electrotechnical Commission, 08/01/2021

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IEC 60947-3 Ed. 4.0 b cor.1:2020

Corrigendum 1 to Low-voltage switchgear and controlgear – Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
Amendment by International Electrotechnical Commission, 10/01/2021

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IEC 60269-6 Amd. 1 Ed. 1.0 Cor.1 b:2021

Corrigendum 1 to Amendment 1 – Low-voltage fuses – Part 6: Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems
Amendment by International Electrotechnical Commission, 11/01/2021

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IEC 60839-11-5 Ed. 1.0 en:2020

Alarm and electronic security systems – Part 11-5: Electronic access control systems – Open supervised device protocol (OSDP)
standard by International Electrotechnical Commission, 07/01/2020

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IEC 62488-3 Ed. 1.0 b:2021

Power line communication systems for power utility applications – Part 3: Digital Power Line Carrier (DPLC) terminals and hybrid ADPLC terminals
standard by International Electrotechnical Commission, 04/01/2021

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IEC 61850-7-420 Ed. 2.0 b:2021

Communication networks and systems for power utility automation – Part 7-420: Basic communication structure – Distributed energy resources logical nodes
standard by International Electrotechnical Commission, 10/01/2021

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IEC 62629-1-2 Ed. 2.0 b:2021

3D display devices – Part 1-2: Generic – Terminology and letter symbols
standard by International Electrotechnical Commission, 09/01/2021

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