Industrial communication networks – Fieldbus specifications – Part 4-21: Data-link layer protocol specification – Type 21 elements
standard by International Electrotechnical Commission, 04/10/2019

IEC ICC JEDEC ISPE MMPDS EEMUA
Industrial communication networks – Fieldbus specifications – Part 4-21: Data-link layer protocol specification – Type 21 elements
standard by International Electrotechnical Commission, 04/10/2019
Field Device Integration (FDI) – Part 6: FDI Technology Mapping
standard by International Electrotechnical Commission, 02/05/2021
2021 Uniform Mechanical Code, First Printing
standard by International Association of Plumbing and Mechanical Officials, 2020
ICH Q3D Risk Assessment Report Elemental Impurities in Medicinal Gases, First Edition
standard by Compressed Gas Association, 07/29/2020
Enclosures for Electrical Equipment, Environmental Considerations
standard by Underwriters Laboratories, 10/15/2020
Switches for appliances, Part 1: General requirements (IEC 61058-1:2016 (ED. 4.0) MOD)
standard by Standards Australia / Standards New Zealand, 12/18/2020
Multicore and symmetrical pair/quad cables for digital communications – Part 12: Symmetrical single pair cables with transmission characteristics up to 600 MHz – Work area wiring – Sectional specification
standard by International Electrotechnical Commission, 01/14/2021
Instrument transformers – Part 13: Stand-alone merging unit (SAMU)
standard by International Electrotechnical Commission, 02/03/2021
Standard for Luminaires
standard by Underwriters Laboratories, 03/26/2021
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIF Spark Ignition Engine<rangeref></rangeref >
standard by ASTM International, 01/01/2021