GB/T 12971.2-2008
AbolishedTrolley and contact wires for electric traction - Part 2: Aluminium and steel composite trolley and contact wires
电力牵引用接触线 第2部分: 钢、铝复合接触线
Application Summary AI generated
This standard specifies the technical requirements, test methods, and inspection rules for aluminium and steel composite trolley and contact wires used in electric traction systems. It is applied in the manufacturing and quality verification of overhead conductor rails for urban rail transit, such as subways and light rail, as well as electrified railway lines. The standard ensures reliable current collection and mechanical performance in these traction power supply networks.
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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.