SOURCE-LINKED REGULATION GUIDE
UN R4 — Rear registration-plate illumination
Review the device that illuminates the rear registration-plate area.
Explore the scopeWhat does it cover?
UN R4 addresses devices that illuminate rear registration plates on vehicles in categories M, N, O and T. The defined function is to illuminate the plate by reflection, and approval assesses illumination of the area the plate occupies. Identifying the function prevents confusion with other rear lamps.
Who is it for?
Registration-plate-lamp and rear-lamp manufacturers.
Which subjects are addressed?
- Rear plate-illumination device
- Plate area
- Illumination by reflection
- Vehicle and trailer scope
Common question
Is the registration plate itself being approved?
No. The text concerns approval of the illuminating device and illumination of the area intended for the plate.
Source documents and references
Work with this regulation in RegsUP.
Read the text with its edition and sources. Assess available comparisons, relevant dates and question-and-answer features against your work needs.
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