SOURCE-LINKED REGULATION GUIDE
UN R48 — Installation of lighting and light-signalling devices
Review how approved lamps are used on the vehicle.
Explore the scopeWhat does it cover?
UN R48 addresses installation of lighting and light-signalling devices on M- and N-category vehicles and O-category trailers. It assesses their placement on the vehicle separately from approval of the devices themselves. The text also links definitions to device regulations R148, R149 and R150.
Who is it for?
Vehicle electrical and lighting, body-building and homologation teams.
Which subjects are addressed?
- Vehicle lighting layout
- Installation of signalling devices
- M/N/O scope
- Link to R148/R149/R150
Common question
Does lamp approval suffice for vehicle installation?
No. R48 concerns placement on the vehicle. Device approval and compliance of its installation are separate assessments.
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.
Discuss access optionsRelated regulations
UN R148 — Light-signalling devices
Find the relevant provision for each signalling-lamp function.
UN R149 — Road-illumination devices and systems
Explore headlamp, fog-lamp and adaptive-lighting functions within their own scopes.
UN R150 — Retro-reflective devices and markings
Review reflectors, marking materials and plates by product class.