GB 17509-2008
AbolishedPhotometric characteristics of direction indicators for motor vehicles and their trailers
汽车及挂车转向信号灯配光性能
Application Summary AI generated
This standard specifies the photometric requirements for direction indicator lamps on motor vehicles and their trailers, including light intensity distribution, color, and minimum visibility angles. It is applied in the design, testing, and type-approval of turn signal lighting systems to ensure they provide adequate warning to other road users during lane changes or turns. Compliance is mandatory for all road vehicles sold or operated in China, covering passenger cars, trucks, buses, and trailers.
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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.