We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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 electrical installations—Part 4-41:Protection for safety—Protection against electric shock
WITHDRAWN published on 30.12.2011
Selected format:Electrical installations of buildings—Part 5-53:Selection and erection of electrical equipment—Isolation, switching and control—Section 534:Devices for protection against overvoltages
WITHDRAWN published on 13.12.2004
Selected format:Electrical installations of buildings—Part 6-61:Verification—Initial verification
WITHDRAWN published on 13.7.2005
Selected format:Low-voltage electrical installations—Part 6:Verification
WITHDRAWN published on 29.6.2012
Selected format:Electrical installations of buildings—Part 7-710:Requirements for special installations or locations— Medical locations
WITHDRAWN published on 29.7.2005
Selected format:Electrical installations of buildings—Part 7-711:Requirements for special installations or locations—Exhibitions, shows and stands
WITHDRAWN published on 29.7.2005
Selected format:Electrical installations of buildings—Part 7:Requirements for special installations or locations—Section 705—Electrical installations of agricultural and horticultural premises
WITHDRAWN published on 1.12.2006
Selected format:Electrical installations of buildings—Part 7-714:Requirements for special installations or locations—External lighting installations
WITHDRAWN published on 19.9.2008
Selected format:Electrical installations of buildings Part 5:Selection and erection of electrical equipment Chapter 54:Earthing arrangements and protective conductors
WITHDRAWN published on 3.6.1997
Selected format:Electrical installations of buildings—Part 5-54:Selection and erection of electrical equipment-Earthing arrangements, protective conductors and protective bonding conductors
WITHDRAWN published on 14.5.2004
Selected format:Latest update: 2026-04-17 (Number of items: 2 274 270)
© Copyright 2026 NORMSERVIS s.r.o.