[S.O.S.]

Colour:
Red

8. Wattage-
(a) A stop lamp fitted to a motor vehicle first used before 1st January 1971 or a trailer manufactured before that date and a stop lamp bearing an approval mark:

No requirement

(b) Any other stop lamp:
15 to 36 watts

9. Intensity:
No requirement

10. Electrical connections-

(a) Every stop lamp fitted to-

(i) a solo motor bicycle or a motor bicycle combination first used on or after 1st April 1986 shall be operated by the application of every service brake control provided for the use of the rider;
(ii) any other motor vehicle, shall be operated by the application of the service braking system.
(b) Every stop lamp fitted to a trailer drawn by a motor vehicle shall be operated by the application of the service braking system of that motor vehicle.

11. Tell-tale:
No requirement

12. Other requirements-
Where two stop lamps are required to be fitted, they shall form a pair.

13. Definitions-
In this Schedule "approval mark" means-
(a) in relation to a solo motor bicycle, a motor bicycle combination or a trailer drawn by a solo motor bicycle or a motor bicycle combination, a marking designated as an approval mark by regulation 4 of the Designation of Approval Marks Regulations and shown at item 50A of Schedule 2 to those Regulations; and

(b) in relation to any other vehicle, either-

(i) a marking designated as an approval mark by regulation 5 of the Designation of Approval Marks Regulations and shown at item 7 or, if combined with a rear position lamp, at item 8 of Schedule 4 to those Regulations; or
(ii) a marking designated as an approval mark by regulation 4 of the Designation of Approval Marks Regulations and shown at item 7B or, if combined with a rear position lamp, at item 7C of Schedule 2 to those Regulations.


PART II

RREQUIREMENTS RELATING TO OPTIONAL STOP LAMPS

Any number may be fitted, and the requirements prescribed by these Regulations in respect of any which are fitted are all those specified in Part I except-

(a) those specified in paragraphs 1, 2 and 3; and

(b) in the case of a stop lamp fitted to a pedal cycle, those specified in paragraphs 5 and 8; and

(c) in the case of a stop lamp fitted to a motor vehicle not being a motor bicycle, first used on or after 1st April 1991 either centrally or in such a manner as to project light through the rear window the intensity of the light emitted to the rear of the vehicle shall be not less than 20 candelas and not more than 60 candelas when measured from directly behind the centre of the lamp in a direction parallel to the longitudinal axis of the vehicle.