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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Low-voltage switchgear and controlgear assemblies—Part 5Assemblies for power distribution in public networks
Execute Date: july 2026
Standard published on 2.12.2025
Selected format:Low-voltage switchgear and controlgear assemblies—Part 6: Busbar trunking systems(busways)
Standard published on 15.5.2015
Selected format:Low-voltage switchgear and controlgear assemblies—Part 7: Assemblies for specific applications such as marinas, camping sites, market squares, electric vehicle charging stations
Standard published on 1.8.2025
Selected format:Low-voltage switchgear and controlgear assemblies—Part 8:General technical requirements for intelligent assembly
Standard published on 19.11.2020
Selected format:Insulators for overhead lines with a nominal voltage above 1 000V—Ceramic or glass insulator units for a.c.systems—Characteristics of insulator units of the cap and pin type
Standard published on 10.12.2019
Selected format:Performanceand methods of the second order digital multiplex equipment operating at 8448 kbit/s and using positive justification
Standard published on 6.4.1995
Selected format:Single sideband power-line carrier terminals
Standard published on 16.3.1998
Selected format:Lighting fixtures for civil airport—Part 1General requirements
Standard published on 15.4.2022
Selected format:Lighting fixtures for civil airport—Part 2: Sequence flashing light and runway threshold identification light
Standard published on 28.12.2023
Selected format:Lighting fixtures for civil airport—Part 3: Precision approach path indicator
Standard published on 28.12.2023
Selected format:Latest update: 2026-06-11 (Number of items: 2 281 927)
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