GB/T 4909.5-2009
ActiveTest methods for bare wires - Part 5: Bend test - Reverse bend test
裸电线试验方法 第5部分：弯曲试验 反复弯曲
Application Summary AI generated
GB/T 4909.5-2009 specifies the reverse bend test method for bare electrical wires, determining their resistance to repeated bending stresses. It is applied in the manufacturing and quality control of conductors used in power transmission, distribution, and electrical equipment. The standard ensures wire ductility and fatigue performance under cyclic bending conditions.
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