Industrial communication networks – Profiles – Part 5-21: Installation of fieldbuses – Installation profiles for CPF 21
standard by International Electrotechnical Commission, 08/30/2018

IEC ICC JEDEC ISPE MMPDS EEMUA
Industrial communication networks – Profiles – Part 5-21: Installation of fieldbuses – Installation profiles for CPF 21
standard by International Electrotechnical Commission, 08/30/2018
Amendment 1 – Surface mounted piezoelectric devices for frequency control and selection – Standard outlines and terminal lead connections – Part 2: Ceramic enclosures
Amendment by International Electrotechnical Commission, 09/24/2020
Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring CONSOLIDATED EDITION
standard by International Electrotechnical Commission, 12/10/2020
Circuit boards and circuit board assemblies – Design and use – Part 6-1: Land pattern design – Generic requirements for land pattern on circuit boards
standard by International Electrotechnical Commission, 02/23/2021
Materials for printed boards and other interconnecting structures – Part 2-45: Reinforced base materials clad and unclad – Non-halogenated epoxide non-woven/woven E-glass reinforced laminate sheets of thermal conductivity 1,0 W/(m¿¿¿K) and defined flammability (vertical burning test), copper-clad fo
standard by International Electrotechnical Commission, 01/10/2018
Sound system equipment – Part 7: Headphones and earphones
Amendment by International Electrotechnical Commission, 03/01/2021
Household and similar electrical appliances – Safety – Part 2-34:Particular requirements for motor-compressors
standard by International Electrotechnical Commission, 03/11/2021
Optical fibres – Part 2-40: Product specifications – Sectional specification for category A4 multimode fibres
standard by International Electrotechnical Commission, 02/25/2021
Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 2-130: Particular requirements for equipment intended to be used in educational establishments by children
standard by International Electrotechnical Commission, 03/23/2021
Amendment 1 – Low-voltage electrical installations – Part 5-53: Selection and erection of electrical equipment – Devices for protection for safety, isolation, switching, control and monitoring
Amendment by International Electrotechnical Commission, 12/10/2020