Part I Requirements relating to obligatory end-outline marker lamps and to optional end-outline marker lamps to the extent specified in part ii

England, Wales and Scotland

I11 Number:	Two visible from the front and two visible from the rear
I22 Position– (a) Longitudinal:	No requirement
(b) Lateral– (i) Maximum distance from the side of the vehicle:	400 mm
(ii) Minimum separation distance between a pair of end-outline marker lamps:	No requirement
(c) Vertical– (i) At the front of a motor vehicle:	The horizontal plane tangential to the upper edge of the illuminated area of the lamp shall not be lower than the horizontal plane tangential to the upper edge of the transparent zone of the windscreen
(ii) At the front of a trailer and at the rear of any vehicle:	At the maximum height compatible with: the requirements relating to the lateral position and to being a pair, and the use for which the vehicle is constructed
I33 Angles of visibility– (a) Horizontal:	0° inwards and 80° outwards
(b) Vertical:	5° above and 20° below the horizontal
I44 Alignment:	Such that white light is shown towards the front and red light is shown towards the rear
I55 Markings:	An approval mark
I66 Size of illuminated area:	No requirement
I77 Colour:	White towards the front and red towards the rear
I88 Wattage:	No requirement
I99 Intensity:	No requirement
I1010 Electrical connections:	No individual requirement
I1111 Tell-tale:	No requirement

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