IEC 60068-2-38:2021 pdf download,Environmental testing – Part 2-38: Tests – Test Z/AD: Composite temperature/humidity cyclic test. IEC 60068-2-38:2021 specifies a composite test procedure, primarily intended for component type specimens, to determine, in an accelerated manner, the resistance of specimens to the deteriorative effects of high temperature/humidity and cold conditions. IEC 60068-2-38:2021 does not apply to …
IEC 31010:2019 pdf download,Risk management – Risk assessment techniques. 2.0 Edition,269 pages. IEC 31010:2019 is published as a double logo standard with ISO and provides guidance on the selection and application of techniques for assessing risk in a wide range of situations. The techniques are used to assist in making decisions where there is uncertainty, …
NFPA 276-2023 pdf download, Standard Method Of Fire Test For Determining The Heat Release Rate Of Roofing Assemblies With Combustible Above-Deck Roofing Components. NFPA 276-2023 describes a method for determining the heat release rate from below the deck of roofing assemblies that have combustible above-deck roofing components when the assemblies are exposed to a fire …
IEC 62208:2023 pdf download,Empty enclosures for low-voltage switchgear and controlgear assemblies – General requirements. IEC 62208:2023 applies to empty enclosures, as provided by the enclosure manufacturer, prior to the incorporation of switchgear and controlgear components by the assembly manufacturer. IEC 62208:2023 specifies general definitions, classifications, characteristics and test requirements of enclosures to be used as …
IEC 61535:2023 pdf download,Installation couplers intended for permanent connection in fixed installations. IEC 61535:2023 applies to two-wire, up to five-wire installation couplers, with or without earthing contact, if provided, with a rated voltage up to and including 500 V AC or 500 V DC and a rated connecting capacity up to and including 10 mm2 …
IEC 63190:2023 pdf download,Railway applications – Fixed installations – Electric traction – Copper and copper alloy catenary wires for overhead contact line systems. IEC 63190:2023 specifies the characteristics of copper and copper alloy catenary wires for use on overhead contact lines. IEC 63190:2023 also covers auxiliary catenary wires. It establishes the product characteristics, the test …
IEC 63251:2023,Test method for mechanical properties of flexible opto-electric circuit boards under thermal stress. IEC 63251:2023 defines the thermal endurance test methods for reliability assessment of flexible opto-electric circuit boards. The purpose of this document is to accommodate the uniform thermal characteristics required by the flexible opto-electric circuit in high temperature environments such as automobiles. …
IEC 62772:2023 applies to composite hollow core station post insulators consisting of a load-bearing insulating tube (core) made of resin impregnated fibres, insulating filler material (solid, liquid, gaseous – pressurized or unpressurized), a housing (outside the insulating tube) made of polymeric material (for example silicone or ethylene-propylene) and fixing devices at the ends of the …
ISO/IEC 27001:2022 pdf download,Information security, cybersecurity and privacy protection — Information security management systems — Requirements. ISO/IEC 27001:2022 specifies the requirements for establishing, implementing, maintaining and continually improving an information security management system within the context of the organization. ISO/IEC 27001:2022 also includes requirements for the assessment and treatment of information security risks tailored to …
ASME B31.4-2022 pdf download,Pipeline Transportation Systems for Liquids and Slurries. ASME B31.4-2022 prescribes requirements for the design, materials, construction, assembly, inspection, testing, operation, and maintenance of liquid pipeline systems between production fields or facilities, tank farms, above- or belowground storage facilities, natural gas processing plants, refineries, pump stations, ammonia plants, terminals (marine, rail, and truck), …