Document ID: chunk:federal_register_of_legislation:F2023C00136:reg:400:p4
Version: federal_register_of_legislation:F2023C00136
Segment Type: reg
Provision Reference: reg 400 (pt 4/14)
Character Range: 81289–84177

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 lamp
6.7.1. Number
One or two.
6.7.2. Arrangement
No special requirements.
6.7.3. Position
         6.7.3.1. in height: not less than 250 mm nor more than 1,500 mm above the ground;
         6.7.3.2. in length: at the rear of the vehicle.
6.7.4. Geometric visibility
Horizontal angle: 80 ° to left and to right for a single lamp:
                      the horizontal angle may be 80 degrees outwards and 45° 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°.
6.7.5. Orientation
Rearwards.
6.7.6. "Circuit-closed" tell-tale
Optional: Its function shall be performed by the device prescribed for the front position lamp.
6.7.7. Other requirements
If a rear position lamp is reciprocally incorporated with a direction indicator, the electrical connection of the rear position lamp on the relevant side of the vehicle or the reciprocally incorporated part of it may be such that it is switched OFF during the entire period (both ON and OFF cycle) of activation of the direction indicator lamp.
6.8. Rear retro-reflector, non-triangular
6.8.1. Number
One or two.
6.8.2. Arrangement
No special requirement.
6.8.3. Position
In height: not less than 250 mm nor more than 900 mm above the ground;
6.8.4. Geometric visibility
Horizontal angle: 30° to left and to right for a single reflector;
                      30° outwards and 10° inwards for each pair of reflectors;
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°.
6.8.5. Orientation
Rearwards.
6.9. Vehicle-hazard warning signal
6.9.1. The signal shall be given by simultaneous operation of the direction indicator lamps in accordance with the requirements of paragraph 6.3. above.
6.9.2. Electrical connections
The signal shall be given by means of a separate control enabling all the direction indicators to be supplied with current simultaneously. In addition, it may be activated automatically in the event of a vehicle being involved in a collision or after the de-activation of the emergency stop signal, as specified in paragraph 6.14. below. In such cases, it may be turned OFF manually.
6.9.3. "Circuit-closed" tell-tale
Mandatory. Flashing red signal lamp or, in the case of separate tell-tales, the simultaneous operation of the tell-tale prescribed in paragraph 6.3.8.
6.9.4. Other requirements
Light flashing 90 ± 30 times per