GB/T 17889.4-2024
ActiveLadders—Part 4: Hinged ladders
梯子 第4部分：铰链梯
Application Summary AI generated
This standard specifies safety requirements, test methods, and design criteria for hinged ladders, including those with locking mechanisms and folding joints. It is applied in industrial, commercial, and household contexts to ensure structural integrity and user safety during tasks like maintenance, construction, or access to elevated areas. The standard is used by manufacturers, safety inspectors, and procurement professionals to verify compliance with Chinese national safety regulations for portable ladders.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.