Switches, pull-knobs, etc, made of rigid material, which, measured in accordance with the method described in Annex V from 3 72 mm to 9 75 mm from the panel, shall have a cross-sectional area of not less than 2 cm2, measured 2.5 mm from the point projecting furthest, and shall have rounded edges with a radius of curvature of not less than 2 75 mm.
Stikala, vlečni gumbi (vzvodi) itn. iz togega materiala, ki izmerjeni po postopku iz Priloge V štrlijo za 3,2 do 9,5 mm od armaturne plošče, ne smejo imeti površine preseka manjše od 2 cm2, če je izmerjena na razdalji 2,5 mm od točke, ki je najbolj oddaljena oziroma najbolj štrli, in morajo imeti zaobljene robove s polmerom zaobljenosti, ne manjšim od 2,5 mm.