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This document specifies practical performance tests for respiratory protective devices. The purpose of these tests is to subjectively assess certain properties, characteristics and functions of the RPD, when worn by test subjects in simulated practical use, which cannot be assessed by tests described in other standards.

1 Scope This Standard specifies minimum requirements and a set of privacy controls for third-party access to data. This Standard applies to all organizations, including public and private companies, government entities, and not-for-profit organizations.

IEC 61439-1:2020 lays down the general definitions and service conditions, construction requirements, technical characteristics and verification requirements for low-voltage switchgear and controlgear assemblies. NOTE Throughout this document, the term assembly(s) (see 3.1.1) is used for a low-voltage switchgear and controlgear assembly(s). For the purpose of determining assembly conformity, the…

IEC 61439-1:2020 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 61439-1:2020 lays down the general definitions and service conditions, construction requirements, technical…

This document presents the requirements for requirements management (RM) for space projects. This document addresses the space programme/project management requirements, applicable through a top-down approach in a contractual relationship between customers and suppliers. The objective of this document is to state and establish a common reference framework for all the customers and suppliers in…

This document establishes the requirements and recommendations for image contents and electronic display systems to reduce visually induced motion sickness (VIMS), while viewing images on electronic displays. This document is applicable to electronic display systems, including flat panel displays, projectors with a screen, and virtual reality (VR) type of head mounted displays (HMDs), but not…

1 Scope This clause of Part 1 is replaced by the following. This part of IEC 60335 deals with the safety of electric fishing machines by means of which water may be electrified for the purpose of catching fish or for providing barriers to all animals living in water. The rated voltage of electric fishing machines is not more than 250 V for single phase machines and 480 V for other…

1 Scope This clause of Part 1 is replaced by the following. This part of IEC 60335 deals with the safety of electric animal-stunning equipment the rated voltage of which is not more than 250 V for single-phase appliances and 480 V for other appliances. NOTE 101 Battery-operated appliances and other d.c. supplied appliances are within the scope of this standard. Dual supply appliances,…

1 Scope This Standard describes safety requirements, constructional requirements, and tests for junction boxes up to 2000 V dc for use on photovoltaic modules according to class II of IEC 61140. This standard applies also to enclosures mounted on PV-modules containing electronic circuits for converting, controlling, monitoring or similar operations. Additional requirements concerning the…

1 Scope 1.1 This Standard applies to the lines and equipment associated with underground electric supply and communication systems located outside fenced supply stations and buildings, and also where the installations or equipment are inside buildings or sections of buildings where they are employed by a utility of a) an electric system; b) a communication system; or c) a community…