This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

1 Scope This standard specifies the general requirements, special prescription and inspection rules for the installation of the external lighting and light-signalling devices for motor vehicles and their trailers. This standard is applicable to Categories M, N and O 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 (including any amendments) applies. GB/T 3977 Specification of colors GB 4094 Symbols for controls, indicators and tell-tales of motor vehicles GB 4599 Motor vehicle headlamps equipped with filament lamps GB 4660 Photometric characteristics of power-driven vehicle front fog lamps GB 5920 Photometric characteristics of front and rear position lamps, end-outline marker lamps and stop lamps for motor vehicles and their trailers GB 11554 Photometric characteristics of rear fog lamp for power-driven vehicles and their trailers GB 11564 Retro-reflector device for motor vehicles GB 12676 Technical requirements and testing methods for commercial vehicle and trailer braking systems GB 15235 Photometric characteristics of reversing lamps for power-driven vehicles GB 15766.1 Lamps for road vehicles - Dimensional, electrical and luminous requirements GB 17509 Photometric characteristics of direction indicators for motor vehicles and their trailers GB 18099 Photometric characteristics of side-marker lamps for motor vehicles and their trailers GB 18408 Photometric characteristics of devices for the illumination of rear registration plates of motor vehicles and their trailers GB 18409 Photometric characteristics of parking lamps for power-driven vehicles GB 21259 Headlamps equipped with gas-discharge light sources for motor vehicle GB/T 21260 Headlamp cleaner GB 21670 Technical requirements and testing methods for passenger car braking systems GB 23254 Retro-reflective markings for trucks and trailers GB 23255 Photometric characteristics of daytime running lamps for power driven vehicles GB 25990 Rear-marking plates for vehicles and their trailers GB 25991 Automotive headlamps with LED light sources and/or LED modules GB/T 30036-2013 Adaptive front-lighting system for motor vehicles GB/T 30511 Photometric characteristics of cornering lamps for motor vehicle