Council Directive 93/92/EEC (repealed)Show full title

6.1. Main-beam headlamps U.K.

6.1.1. Number: one or two. U.K.

However, for tricyles with a maximum width exceeding 1 300 mm, two main-beam headlamps are required.

6.1.2. Arrangement drawing: no individual specifications U.K.

6.1.3. Location U.K.

6.1.3.1. Width: U.K.

• an independent main-beam headlamp may be fitted above, below or to one side of another front lamp: if these lamps are one above the other the reference centre of the main-beam headlamp must be located within the median longitudinal plane of the vehicle; if these lamps are side by side their reference centre must be symmetrical in relation to the median longitudinal plane of the vehicle,

• a main-beam headlamp that is reciprocally incorporated with another front lamp must be fitted in such a way that its reference centre lies within the median longitudinal plane of the vehicle. However, when the vehicle is also fitted with an independent dipped-beam headlamp alongside the main-beam headlamp, their reference centres must be symmetrical in relation to the median longitudinal plane of the vehicle,

• two main-beam headlamps of which either one or both are reciprocally incorporated with another front lamp must be fitted in such a way that their reference centres are symmetrical in relation of the median longitudinal plane of the vehicle.

6.1.3.2 The length: at the front of the vehicle. This requirement is considered to have been met if the light emitted does not disturb the driver either directly or indirectly by means of the rear-view mirrors and/or other reflective surfaces on the vehicle. U.K.

6.1.3.3. In any case, the distance between the edge of the illuminating surface of any independent main-beam headlamp and the edge of that of the dipped-beam headlamp must not exceed 200 mm. U.K.

6.1.4. Geometrical visibility U.K.

Even in the zones which do not seem to be illuminated in the direction of observation under consideration, the illuminating surface must be visible within a divergent area limited by generatrices touching the entire contour of the illuminating surface and forming an angle of 5° at least with the headlamp reference axis. The contour of the projection of the illuminating surface on to a transverse plane that is tangent to the front part of the main-beam headlamp lens is considered to be the origin of the angles of geometrical visibility.

6.1.5. Alignment: forwards. U.K.

May move in line with the steering angle.

6.1.6. May be grouped together with the dipped-beam headlamp and the other front lamps. U.K.

6.1.7. May not be combined with any other lamp. U.K.

6.1.8. May be reciprocally incorporated: U.K.

6.1.8.1. with the dipped-beam headlamp; U.K.

6.1.8.2. with the front position lamp; U.K.

6.1.8.3. with the front fog lamp. U.K.

6.1.9. Electrical connections U.K.

The main-beam headlamps must switch on simultaneously. When switching from the dipped to the main beam all of the main-beam headlamps must be lit. When switching from the main beam to the dipped beams all of the main-beam headlamps must be switched off simultaneously. The dipped-beam headlamps may remain lit at the same time as the main-beam headlamps.

[X1 6.1.10. Circuit-closed telltale: compulsory.] U.K.

Blue non-flashing warning light.

Editorial Information

X1 Substituted by Corrigendum to Council Directive 93/92/EEC of 29 October 1993 on the installation of lighting and light-signalling devices on two or three-wheel motor vehicles (Official Journal of the European Communities L 311 of 14 December 1993).

6.1.11. Other requirements: the maximum intensity of the main-beam headlamps which can be switched on at the same time must not exceed 225 000 cd (component type-approval value). U.K.