Scope
1.1 These requirements apply to ultraviolet germicidal irradiation (UVGI) equipment and systems
intended for installation and use in accordance with the U.S. National Electrical Code (NEC), NFPA 70 and
in accordance with the Canadian Electrical Code, Part I (CEC), CSA C22.1. These requirements cover:
a) UV Germicidal Equipment – These devices emit uncontained UV energy into the…
Wind energy generation systems - Part 31: Siting risk assessment
IEC TS 61400-31:2023 establishes a guideline for the assessment of the risks which a wind turbine may pose to the general public.
This document aims to facilitate a uniform scope and a uniform use of methods in wind turbine risk assessments. This document covers risk due to internal or external causes, such as technical failures, human errors, extreme wind conditions, turbine icing, lightning…
Flexible Connector Piping for Flammable and Combustible Liquids
Scope
1.1 This Standard sets forth the minimum requirements for cover primary, secondary, and coaxial types
of flexible connector pipes intended for short length transfer and containment of the specific flammable
and combustible liquids (or vapors thereof) identified in this Standard, at commercial (public) or fleet
(private) automotive motor vehicle fueling stations or similar fuel…
Additive manufacturing of metals — Qualification principles — Qualification of coordination personne...
This document specifies qualification requirements for coordination personnel in industrial manufacturing sites responsible for additive manufacturing of metal parts.
This document is applicable to all metallic processes that are described by ISO 17296-2. In this context, the skills, tasks and responsibilities for different levels of AM coordination personnel are typically adapted according to…
Oil and gas industries including lower carbon energy — Site-specific assessment of mobile offshore u...
This document specifies requirements and provides recommendation and guidance for the elevated site-specific assessment (SSA-E) of independent leg jack‑up units for use in the petroleum and natural gas industries. It addresses:
a) occupied non-evacuated, occupied evacuated and unoccupied jack‑ups;
b) the installed (or elevated) phase at a specific site.
It also addresses the…
Mine closure and reclamation – Managing mining legacies — Part 1: Requirements and recommendations
This document establishes requirements and recommendations for managing mining legacies. It can be used by any public, private or community enterprise, or group, but is deemed particularly relevant to government and the mining industry who have a legal right or obligation to manage mining legacies.
This document encompasses a range of activities that are relevant to planning, implementing and…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does not exceed 1 000 V in case of AC or 1 500 V in case of DC;
- assemblies where the nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS are within the limits specified above;
- assemblies intended for use on construction sites, both indoors…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
This pack contains IEC 61439-4:2023 EXV and IEC 61439-4:2023 RLV.
IEC 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does not exceed 1 000 V in case of AC or 1 500 V in case of DC;
- assemblies where the nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS are within the limits specified…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61439-4:2023 EXV includes the content of the references made to IEC 61439-1:2020.
IEC 61439-4:2023 defines the specific requirements of ACS as follows…