LED Vs. High-End Halogen: What # 39; The best headlight bulb?
Car bulbs are made in several standardized series bulbs used for turn signals brake lights and lights may be required to comply with national and international regulations governing the types of lamps used other automotive lighting applications such as auxiliary lamps or indoor lighting can not be regulated, but common types are used by many automakers.
The World Forum for Harmonization of Regulations Regulations EEC vehicle develops and maintains international consensus-UN Regulations light sources acceptable for use in lamps on vehicles and trailers type approved for use in countries that recognize the UN Regulations These include the Regulation 37, 1 which contains specifications for incandescent lamps and Regulation 99 and its addenda 2 3, which covers light sources for high-intensity headlights discharge certain types of UN-approved bulbs are also allowed by other laws, such as the US or Japan, although Japan began supplanting the old Japanese domestic regulations with international regulations of the UN.
UN Regulation 37 covers the automotive incandescent lamps These are classified into three groups people without general restriction that can be used in all applications, those that are acceptable for non traffic lights for d lamps road lighting, which no longer qualify as light sources for new type approvals but still allowed for production as spare parts.
Nominal Power minor main filament, as applicable.
There is a German national regulations for vehicles bulbs, now replaced with international UNECE regulations Bulbs according to the former German rules are still made German legislation is contained in 22a, paragraph 1, # 18 Strassenverkehrs-Zulassungs- Ordnung StVZO, traffic approval regulations by the Fahrzeugteileverordnung FzTV, regulations on vehicle parts, these bulbs must bear an approval mark consisting of a sine wave squiggle line and the letter K technical requirements are themselves established by the standards produced by DIN.
In the entrance to the US 49 CFR 564 of the Code of Federal Regulations requires that headlight bulbs manufacturers, officially known as the replaceable light sources to provide the National Highway Traffic Safety Administration NHTSA to product specifications at least 60 days before the first use 4 the specifications provided by the manufacturer, approved by NHTSA, entered the federal NHTSA-1998-3397 file 5 from here, any light source made and certified by a manufacturer as complying with the specifications is legal for use in certified projectors conform to the standard federal motor vehicle safety 108 light sources for vehicle lamps other than the projectors are not regulated by the federal government.
In the spotlight of Canadian motor vehicles may use light sources bulbs meet either the US or the international ECE Regulations 6108 5a.
List of types of automotive lighting bulbs, cars, light bulb.