Road Vehicles Lighting Regulations (Northern Ireland) 2000

Part I Requirements Relating to Obligatory End-Outline Marker Lamps and to Optional End-Outline Marker Lamps to the Extent Specified in Part II

1.  Number:	Two visible from the front and two visible from the rear
2.  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: (a) the requirements relating to the lateral position and to being a pair, and (b) the use for which the vehicle is constructed
3.  Angles of visibility—
(a) Horizontal:	0° inwards and 80° outwards
(b) Vertical:	5° above and 20° below the horizontal
4.  Alignment:	Such that white light is shown towards the front and red light is shown towards the rear
5.  Markings:	An approval mark
6.  Size of illuminated area:	No requirement
7.  Colour:	White towards the front and red towards the rear
8.  Wattage:	No requirement
9.  Intensity:	No requirement
10.  Electrical connections:	No individual requirement
11.  Tell-tale:	No requirement
12.  Other requirements— The two lamps which emit white light towards the front, and the two lamps which emit red light towards the rear, shall in each case form a matched pair. The white front lamp and red rear lamp on one side of a vehicle may be combined into a single lamp with a single light source.
13.  Definitions— In this Schedule, “approval mark” means the approval mark for a front or rear position lamp, as the case may be.