ANNEX I INSTALLATION OF LIGHTING AND LIGHT-SIGNALLING DEVICES

4. INDIVIDUAL SPECIFICATIONS

4.11. Rear fog lamp

4.11.1. Presence

Optional.

4.11.2. Number

One or two.

4.11.3. Arrangement

This must satisfy the conditions of geometric visibility.

4.11.4. Position

4.11.4.1. Width:

If there is only one rear fog lamp, it must be on the opposite side of the median longitudinal plane of the tractor to the direction of traffic prescribed in the country of registration.

In all cases the distance between the rear fog-lamp and the stop lamp must be greater than 100 mm.

4.11.4.2. Height:

Above the ground: not less than 400 mm, not more than 1 900 mm, or not more than 2 100 mm if the shape of the bodywork makes it impossible to keep within 1 900 mm.

4.11.4.3. Length:

At rear of tractor.

4.11.5. Geometric visibility

Horizontal angle

25° inwards and outwards.

Vertical angle

5° above and below the horizontal.

4.11.6. Alignment

Towards the rear.

4.11.7. May be ‘grouped’

with any other rear lamps.

4.11.8. May not be ‘combined’

with other lamps.

4.11.9. May be ‘reciprocally incorporated’

with rear position (side) lamps or the parking lamp.

4.11.10. Electrical connections

Must be such that the rear fog lamp can light up only when the dipped-beam headlamps or the front fog-lamps are in use.

If there are front fog-lamps, it must be possible to extinguish the rear fog-lamp independently of the front fog-lamps.

4.11.11. Circuit-closed tell tale

Mandatory. An independent, fixed-intensity warning light.