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Standards GB - Chinese national standards - Page 77
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 11017.1-2024
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Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV)and 110 kV(Um=126 kV)—Part 1: Test methods and requirements
Standard published on 29.9.2024
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GB/T 11017.2-2024
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Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV) and 110 kV (Um=126 kV)—Part 2: Power cables
Standard published on 29.9.2024
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GB/T 11017.3-2024
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Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV (Um=72.5 kV) and 110 kV (Um =126 kV) —Part 3: Accessories
Standard published on 29.9.2024
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GB/T 11018.1-2008
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Copper winding wires with silk covering - Part 1: Single wire with silk covering
Standard published on 30.6.2008
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GB/T 11018.2-2008
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Copper winding wires with silk covering - Part 2: Bunched solderable polyurethane enamelled round copper wires, class130, with silk covering
Standard published on 30.6.2008
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GB/T 11019-2021
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Nickel coated round copper wire
Standard published on 11.10.2021
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GB/T 11020-2005
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Flammability of solid non-metallic meterials when exposed to flame sources-List of test methods
Standard published on 26.8.2005
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GB/T 11021-2014
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Electrical insulationThermal evaluation and designation
Standard published on 6.5.2014
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GB/T 11022-2020
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Common specifications for high-voltage alternating-current switchgear and controlgear standards
Standard published on 14.12.2020
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GB/T 11023-2018
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Test method of SF6 gas tightness for high—voltage switchgear
Standard published on 28.12.2018
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