1 Scope
This standard specifies the general requirements, light source requirements, light color requirements, photometric characteristics and their test methods and inspection rules for devices for the illumination of rear registration plates of motor vehicles and their trailers.
This standard is applicable to devices for the illumination of rear registration plates of motor vehicles and their trailers.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 4785 Prescription for Installation of the External Lighting and Light-signalling Devices for Motor Vehicles and their Trailers
GB 15766.1 Lamps for Road Vehicles - Dimensional Electrical and Luminous Requirements
ECE R37 Uniform Provides Concerning the Approval of Filament Lamps for Use in Approved Lamp Units of Power-driven Vehicles and of their Trailers
3 Terminologies and Definitions
For the purpose of this document, the terminologies and definitions specified in GB 4785 and GB 15766.1 apply.
Foreword I
1 Scope
2 Normative References
3 Terminologies and Definitions
4 Classification and Different Types of Illumination Devices
5 Requirements
6 Test Methods
7 Inspection Rules
8 Requirements of Transition Period
