ANNEX VIU.K.REQUIREMENTS CONCERNING TRICYCLES
6.SPECIFIC FITTING REQUIREMENTSU.K.
6.8.Rear fog lampsU.K.
6.8.1. Number: one or two.U.K.
6.8.2. Arrangement drawing: no individual specifications.U.K.
6.8.3.PositionU.K.
6.8.3.1.Width: the reference centre must be situated in the median longitudinal plane of the vehicle if there is a single rear fog lamp or, if there are two fog lamps, they must be symmetrical in relation to the median longitudinal plane of the vehicle. In the case of vehicles with two rear wheels: at least 600 mm between the two lamps. This distance may be reduced to 400 mm if the maximum width of the vehicle is less than 1 300 mm.U.K.
6.8.3.2.Height: minimum 250 mm, maximum 1 000 mm above the ground.U.K.
6.8.3.3.Length: at the rear of the vehicle. If there is a single rear fog lamp, it must be on the side of the median longitudinal plane of the vehicle opposite the normal direction of travel; the reference centre may also be situated on the longitudinal plane of symmetry of the vehicle.U.K.
6.8.3.4.The distance between the illuminating surface of the rear fog lamp and that of the stop lamp must be at least 100 mm.U.K.
6.8.4.Geometrical visibilityU.K.
This is determined by the angles α and β as defined in point A(10) of Annex I:
α
=
5° upwards and 5° downwards;
β
=
25° to the left and to the right.
6.8.5. Alignment: towards the rear.U.K.
6.8.6.May be grouped with any other rear lamp.U.K.
6.8.7.May not be combined with any other lamp.U.K.
6.8.8.May be reciprocally incorporated with a rear position lamp.U.K.
6.8.9.Electrical connectionsU.K.
The lamp may not be lit unless one or more of the following lamps are lit: the main-beam headlamp, the dipped-beam headlamp or the front fog lamp.
6.8.10. Circuit-closed telltale: compulsory.U.K.
Non-flashing amber indicator light.
6.8.11. Other requirements: none.U.K.