GB/T 5053.2-2006
ActiveRoad vehicles - Connectors for the electrical connection of towing and towed vehicles - 7-pole connector type 12 N (normal) for vehicles with 12 V nominal supply voltage
道路车辆 牵引车与挂车之间电连接器 7芯12V标准型（12N）
Application Summary AI generated
This standard specifies the dimensional, contact arrangement, and performance requirements for 7-pole electrical connectors used between towing vehicles (tractors) and towed vehicles (trailers) with a 12V nominal supply voltage. It is applied in the automotive industry for ensuring standardized electrical connections for lighting and signaling systems on trailers, such as tail lights, turn signals, and brake lights, in road vehicle combinations. The standard is used by manufacturers and testing facilities to verify compatibility and reliability of these connectors in compliance with Chinese national regulations.
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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.