Document ID: chunk:federal_register_of_legislation:F2023C00133:body:0:p10
Version: federal_register_of_legislation:F2023C00133
Segment Type: other
Provision Reference: 
Character Range: 29866–33382

one lamp is provided an independent 'Main-beam Headlamp' may be installed above or below the 'Dipped-beam Headlamp', in which case the geometric centre shall be situated in the longitudinal median plane of the vehicle. A 'Main-beam Headlamp' 'Reciprocally Incorporated' with the 'Dipped-beam Headlamp' shall be installed with its geometric centre situated in the longitudinal median plane of the vehicle;
7.1.3.1.2.                  where 'Two Lamps' are provided the outer edges of the 'Illuminating Surface' must in no case be closer to the 'Extreme Outer Edge' of the vehicle than the outer edges of the 'Illuminating Surface' of the 'Dipped-beam Headlamps' and the requirements of clause 6.5. shall be met.
7.1.3.2.                        in length: at the front of the vehicle. This requirement shall be deemed to be satisfied if the light emitted does not cause discomfort to the driver either directly or indirectly through the rear-view mirrors and/or other reflecting surfaces of the vehicle.
7.1.4.                              Geometric Visibility The visibility of the 'Illuminating Surface', including its visibility in areas which do not appear to be illuminated in the direction of observation considered, shall be ensured within a divergent space defined by generating lines based on the perimeter of the 'Illuminating Surface' and forming an angle of not less than 5° with the axis of reference of the headlamp.
7.1.5.                              Orientation Towards the front
7.1.5.1.                        for LB1 and LE1 the lamp may move with the steering.
7.1.5.2.                        For LB2 and LE2 vehicles, apart from devices necessary to maintain correct adjustment, and when there are two pairs of headlamps one pair, consisting of headlamps functioning as 'Main-beam Headlamps' only, may swivel, according to the angle of lock of the steering, about a substantially vertical axis.
7.1.6.                              May be grouped with the 'Dipped-beam Headlamp' and the other front lamps.
7.1.7.                              May not be 'Combined' with any other lamp.
7.1.8.                              May be 'Reciprocally Incorporated' with:
7.1.8.1.                        the 'Dipped-beam Headlamp', unless the 'Main-beam Headlamp' swivels according to the angle of lock of the steering;
7.1.8.2.                        the 'Front Position (Side) Lamp';
7.1.8.3.                        the 'Front Fog Lamp'; and.
7.1.8.4.                                      the 'Parking Lamp'.
7.1.9.                              Electrical Connections: The 'Dipped-beam Headlamp' may remain switched on at the same time as the 'Main-beam Headlamp(s)'.
7.1.10.                          'Circuit-closed Tell-tale': Mandatory, non-flashing blue signal lamp.
7.2.                                    'DIPPED-BEAM HEADLAMP'
7.2.1.                              Number:
7.2.1.1.                        in the case of LE1 vehicles, one or two lamps to either ADR 55/... or ADR 46/...;
7.2.1.2.                        in the case of LE2 vehicles, two lamps to ADR 46/...;
7.2.1.3.                        in the case of LB1 vehicles, one or two lamps to either ADR 54/... or ADR 46/...; and
7.2.1.4.                        in the case of LB2 vehicles, two lamps to ADR 54/...
7.2.2.                              Arrangement: No special requirement.
7.2.3.                              Position:
7.2.3.1.                        in width:
7.2.3.1.1.                  for LB1 and LE1 vehicles where only