4 Requirements for fireman’s emergency switches
1 (a) In the case of apparatus which is installed inside a building, the fireman’s emergency switch shall be situated in the main entrance hall to that building and there shall be displayed adjacent to the apparatus a notice indicating by means of a directional arrow the position of and distance to the switch and there shall be displayed adjacent to the switch a notice clearly identifying it as a fireman’s emergency switch;
(b) in the case of apparatus to which sub-paragraph (a) above does not apply, either (i) the fireman’s emergency switch shall be installed adjacent to the apparatus or (ii) there shall be displayed adjacent to the apparatus a notice indicating by means of a directional arrow the position of and distance to the switch and there shall be displayed adjacent to the switch a notice clearly identifying it as a fireman’s emergency switch;
(c) for the purposes of this paragraph, apparatus within a covered market or arcade, or a mall in an enclosed shopping centre shall be regarded as an exterior installation and the provisions of sub-paragraph (b) shall apply to such apparatus.
2 The fireman’s emergency switch shall be placed in a conspicuous position which is not more than 2.75 metres above ground level or, where the premises on which the apparatus is installed are not situated at ground level, not more than 2.75 metres above the level of the floor immediately below the apparatus; the switch must in all cases be readily accessible to firefighters.
3 (a) The fireman’s emergency switch shall be coloured red and shall have fixed on or adjacent to it a notice measuring not less than 150 millimetres by 100 millimetres and bearing on it in letters not less than 13 millimetres high the words “FIREMANS SWITCH”;
(b) the “on” and “off” positions of the switch shall be clearly indicated by lettering not less than 13 millimetres high and the “off” position shall be at the top;
(c) where more than one switch is installed either within or on the exterior of any building, each switch shall be clearly marked so as to indicate the apparatus to which it relates.