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Standards GB - Chinese national standards - Page 5707
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
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GB/T 12476.10-2010
WITHDRAWN
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Electrical apparatus for use in the presence of combustible dust—Part 10:Test methods—Method for determining minimum ignition energy of dust/air mixtures
WITHDRAWN published on 9.8.2010
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GB 12476.2-2006
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Electrical apparatus for use in the presence of combustible dust—Part 1-2:Electrical apparatus protected by enclosures and surface temperature limitation—Selection,installation and maintenance
WITHDRAWN published on 30.4.2006
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GB 12476.2-2010
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Electrical apparatus for use in the presence of combustible dust—Part 2:Selection and installation
WITHDRAWN published on 9.8.2010
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GB 12476.3-2007
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Electrical apparatus for use in the presence of combustible dust—Part 3:Classification of areas where combustible dusts are or may be present
WITHDRAWN published on 23.1.2007
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GB/T 12476.3-2017
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Electrical apparatus for use in the presence of combustible dust—Part 3:Classification of areas where combustible dusts are or may be present
WITHDRAWN published on 29.12.2017
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GB 12476.4-2010
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Electrical apparatus for use in the presence of combustible dust—Part 4:Protection by intrinsic safety“iD”
WITHDRAWN published on 9.8.2010
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GB 12476.5-2013
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Electrical apparatus for use in the presence of combustible dust—Part 5:Protection by enclosures"tD"
WITHDRAWN published on 17.12.2013
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GB 12476.6-2010
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Electrical apparatus for use in the presence of combustible dust—Part 6:Protection by encapsulation "mD"
WITHDRAWN published on 9.8.2010
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GB 12476.7-2010
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Electrical apparatus for use in the presence of combustible dust—Part 7:Type of protection "pD"
WITHDRAWN published on 9.8.2010
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GB/T 12476.8-2010
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Electrical apparatus for use in the presence of combustible dust—Part 8:Test methods—Methods for determining the minimum ignition temperatures of dust
WITHDRAWN published on 9.8.2010
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