Standards GB - Chinese national standards - Page 4902

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 48187.02207-2026

Fibre optic interconnecting devices and passive components—Performance standard—Part 022-07: Hardened multimode fibre optic connectors terminated as pigtails and patchcords for category A(Outdoor aerial environment)
Execute Date: april 2027

Standard published on 28.9.2026

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GB/T 48187.02213-2026

Fibre optic interconnecting devices and passive components—Performance standard—Part 022-13: Multimode fibre optic connectors terminated as pigtails and patchcords—Category OP+HDExtended outdoor protected environment with additional heat dissipation
Execute Date: april 2027

Standard published on 28.9.2026

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GB/T 48188.1-2026

Electric cables for photovoltaic systems with a voltage rating of 1.5 kV DC—Part 1: Electric cables with copper conductor
Execute Date: april 2027

Standard published on 28.9.2026

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electronic design (pdf) (ON REQUEST)

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GB/T 48188.2-2026

Electric cables for photovoltaic systems with a voltage rating of 1.5 kV DC—Part 2Electric cables with aluminum alloy conductor
Execute Date: april 2027

Standard published on 28.9.2026

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electronic design (pdf) (ON REQUEST)

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GB/T 48189-2026

General specification for chemical hydraulic power recovery turbines
Execute Date: april 2027

Standard published on 28.9.2026

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