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EN 440: "Welding consumables wire electrodes and deposits for gas shielded metal arc welding of non-alloy and fine grain steel - Classification" (1994) EN 450 : Fly ash for concrete - Definitions, requirements and quality control
IEC TS 61934 Electrical insulating materials and systems – Electrical measurement of partial discharges (PD) under short rise time and repetitive voltage impulses; IEC 61935 Specification for the testing of balanced and coaxial information technology cabling; IEC 61936 Power installations exceeding 1 kV a.c.
The Standard Mark or the ISI Mark. The Standard Mark is compulsory for certain types of electronics and IT goods, whereas the ISI mark is mandatory for product categories such as cement, household electrical products, food products, steel materials, etc. The ISI mark is also used for several voluntary BIS certification product categories.
Revised standards for wire materials and wiring devices (such as the CO/ALR "copper-aluminium-revised" designation) were developed to reduce these problems. While larger sizes are still used to feed power to electrical panels and large devices, aluminium wiring for residential use has acquired a poor reputation and has fallen out of favour.
IEC 60364 Electrical Installations for Buildings is the International Electrotechnical Commission (IEC)'s international standard on electrical installations of buildings.This standard is an attempt to harmonize national wiring standards in an IEC standard and is published in the European Union by CENELEC as "HD 60364".
The National Electrical Manufacturers Association (NEMA) [5] is the largest trade association of electrical equipment manufacturers in the United States. [6] Founded in 1926, it advocates for the industry and publishes standards for electrical products. Notably, the form of US household electrical outlets and plugs is specified by NEMA.
Gov. Kathy Hochul is considering hiking a dreaded tax on businesses to prop up the flailing Metropolitan Transportation Authority in a scramble to fill a whopping $33-billion budget hole, sources ...
This system is aimed to ensure safety and quality of products and services and involves obligatory certification of certain goods, both produced locally and imported. List of products subject to obligatory certification is defined by the Russian Federal Technical Regulation and Metrology Agency. The very system of certification GOST R has been ...