Update on Electrical Professional Standards and Specifications (Updated on January 1, 2022)

Recently, there have been major updates

Standard for Electrical Design of Civil Buildings GB 51348-2019 (implemented on August 1, 2020)

Energy Efficiency Limits and Grades for Power Transformers GB 20052-2020 (implemented on June 1, 2021)

General Part of Electric Shock Protection Devices and Equipment GB/T 17045-2020 (implemented on October 1, 2021)

Technical Standard for Fire Emergency Lighting and Evacuation Indication System GB 51309-2018 (implemented on March 1, 2019)

General Rules for the Equipping and Management of Energy Measuring Instruments in Energy using Units GB 17167-2006 (implemented on January 1, 2007)

Green Building Evaluation Standard GB/T 50378-2019 (implemented on August 1, 2019)

Electromagnetic Environment Control Limits GB 8702-2014 (implemented on January 1, 2015)

Guidelines for Economic Evaluation of Energy Efficiency Technology of Distribution Transformers DL/T 985-2012 (implemented on July 1, 2012)

Technical Regulations for Urban Lighting Automatic Control System CJJ/T 227-2014 (implemented on May 1, 2015)

Technical Standard for Electrical and Automation Engineering of Urban Drainage System CJJ/T 120-2018 (implemented on March 1, 2019)

Design Standards for Research Buildings JGJ 91-2019 (implemented on January 1, 2020)

Design Standard for Office Buildings JGJ/T 67-2019 (implemented on March 1, 2020)

Construction and Acceptance Standards for Automatic Fire Alarm Systems GB 50166-2019 (implemented on March 1, 2020)

Design Standard for Boiler Room GB 50041-2020 (implemented on July 1, 2020)

Green Design Standards for Public Buildings in Shanghai DG/TJ 08-2139-2018 (implemented on July 1, 2019)

Green Design Standards for Residential Buildings in Shanghai "DG/TJ 08-2143-2018 (implemented on July 1, 2019)

Technical Standards for 5G Mobile Communication Infrastructure in Zhejiang Province Construction Projects DB 33/1239-2021 (implemented on May 1, 2021)

Jiangsu Province Residential Design Standards DB 32/3920-2020 (implemented on July 1, 2021, revised to replace Residential Design Standards DGJ32/J 26-2017)

The "Operational Technical Guidelines for Difficult Issues in Zhejiang Fire Protection Technical Specifications (2020 Edition)" Zhe Xiao [2020] No. 166 (implemented on March 1, 2021, and simultaneously abolished the "Operational Technical Guidelines for Difficult Issues in Zhejiang Fire Protection Technical Specifications" (Zhe Gong Tong Zi [2017] No. 89) in 2017 and the "Supplementary Technical Requirements for Building Smoke Control and Exhaust Systems" (Emergency Zhe Xiao [2019] No. 72) in 2019)

Technical Standard for Automobile Refueling, Gas Filling and Hydrogen Refueling Stations GB 50156-2021 (implemented on October 1, 2021)

Design Standard for Cold Storage GB 50072-2021 (implemented on December 1, 2021)

Technical Standard for Public Broadcasting System Engineering GB/T 50526-2021 (implemented on October 1, 2021)

GB/T 16895.10-2021 "Low voltage electrical installations - Part 4-44: Safety protection against voltage and electromagnetic disturbances" (implemented on May 1, 2022)