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IEC 60335-2-49:2021 deals with the safety of electrically operated commercial appliances for keeping food and crockery warm, their rated voltage being not more than 250 V for single-phase appliances connected between one phase and neutral, and 480 V for other appliances. Examples of appliances that are within the scope of this standard are: – hot cupboards, with or without heated tops; –…

This document specifies safety, constructional, and performance and testing requirements for thermoelectric flame supervision controls, energized by a thermocouple, intended for use with gas burners and gas-burning appliances, hereafter referred to as “controls”. This document applies to thermoelectric flame supervision controls for gas burners and gas-burning appliances of nominal connection…

1 Scope 1.1 General This Standard covers drinking water treatment systems that are a) point-of-use or point-of-entry plumbed-in systems; and b) point-of-use non-plumbed-in systems. Note: Drinking water treatment systems covered by this Standard are intended to be used for the reduction or inactivation of harmful substances that can be present in drinking water. 1.2 Electrical requirements…

This document specifies the general and dimensional requirements for the design and performance of flange hose fittings, made of carbon steel, for nominal hose inside diameters of 12,5 mm to 76 mm inclusive, in accordance with ISO 4397, for use with ports and clamps in accordance with ISO 6162‑1 and ISO 6162‑2. Note 1      Materials other than carbon steel can be supplied as agreed between the…

This document specifies electrical safety requirements for voltage class B electric circuits of electric propulsion systems and conductively connected auxiliary electric systems of electrically propelled road vehicles. It specifies electrical safety requirements for protection of persons against electric shock and thermal incidents. It does not provide comprehensive safety information for…

IEC 61970-452:2021 defines the subset of classes, class attributes, and associations from the CIM necessary to execute state estimation and power flow applications between control centres and/or control centre components, such as power systems applications. The North American Electric Reliability Council (NERC) Data Exchange Working Group (DEWG) Common Power System Modelling group (CPSM)…

IEC 61970-452:2021 définit le sous-ensemble des classes, des attributs de classe et des associations du CIM nécessaires à l’exécution des applications d’estimation d’état et de flux d’énergie. Le groupe Common Power System Modeling (CPSM) de Data Exchange Working Group (DEWG) du North American Electric Reliability Council (NERC) a établi les premières exigences relatives aux données, présentées à…

IEC 60730-2-8:2018+A1:2021 applies to electrically operated water valves for use in, on or in association with equipment for household and similar use, including heating, air-conditioning and similar applications. The equipment can use electricity, gas, oil, solid fuel, solar thermal energy, etc., or a combination thereof. This document is applicable to electrically operated water valves for…

IEC/IEEE 62271-37-013:2021 is applicable to three-phase AC high-voltage generator circuit-breakers, hereafter called generator circuit-breakers, designed for indoor or outdoor installation and for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 1 kV and up to 38 kV. This document is published as an IEC/IEEE Dual Logo standard. The IEEE Std C37.013™-1997 (R2008) was…

The OCF Core specifications are divided into a set of documents: Core specification (this document): The Core specification document specifies the Framework, i.e., the OCF core architecture, interfaces, protocols and services to enable OCF profiles implementation for Internet of Things (IoT) usages and ecosystems. This document is mandatory for all Devices to implement. Core optional…