Document ID: chunk:federal_register_of_legislation:F2023C00136:reg:400:p3
Version: federal_register_of_legislation:F2023C00136
Segment Type: reg
Provision Reference: reg 400 (pt 3/14)
Character Range: 78711–81547

function shall be performed by the tell-tale prescribed for the position lamp.
6.5.7. Other requirements
When the rear registration plate lamp is combined with the rear position lamp, reciprocally incorporated in the stop lamp or in the rear fog lamp, the photometric characteristics of the rear registration plate lamp may be modified during the illumination of the stop lamp or the rear fog lamp.
6.6. Front position lamp
6.6.1. Number
One or two  if coloured white
or
Two (one per side) if coloured amber
6.6.2. Arrangement
No special requirement.
6.6.3. Position
         6.6.3.1. Width:
         An independent front position lamp may be fitted above or below, or to one side of another front lamp: if these lamps are one above the other, the reference centre of the front position lamp must be located within the median longitudinal plane of the vehicle; if these lamps are side by side, their reference centres must be symmetrical in relation to the median longitudinal plane of the vehicle;
         A front position lamp that is reciprocally incorporated with another front lamp must be installed in such a way that its reference centre is situated in the median longitudinal plane of the vehicle. However, when the vehicle is also fitted with another front lamp alongside the front position lamp, their reference centres must be symmetrical in relation to the median longitudinal plane of the vehicle.
         Two front position lamps, one or both of them reciprocally incorporated with another front lamp, must be installed in such a way that their reference centres are symmetrical in relation to the median longitudinal plane of the vehicle.
         6.6.3.2. In height: not less than 350 mm nor more than 1,200 mm above the ground.
         6.6.3.4. In length: at the front of the vehicle.
6.6.4. Geometric visibility
Horizontal angle: 80° to the left and to the right for a single lamp:
                      the horizontal angle may be 80° outwards and 20° inwards for each pair of lamps.
Vertical angle: 15° above and below the horizontal.
However, where a lamp is mounted below 750 mm (measured according to the provisions of paragraph 5.7.), the downward angle of 15° may be reduced to 5°.
6.6.5. Orientation
Forwards. The lamp(s) may move in line with the steering angle.
6.6.6. "Circuit-closed" tell-tale
Mandatory. Non-flashing green signal lamp. This tell-tale shall not be required if the instrument illumination lighting can be switched on or off only simultaneously with the position lamp(s).
6.6.7. Other requirements
When the front position lamp is reciprocally incorporated in the front direction indicator lamp, the electrical connection shall be such that the position lamp on the same side as the direction indicator lamp is switched off when the direction indicator lamp is flashing.
6.7. Rear position