1. Intrinsic features
1.1. The shape and colours are set out in paragraph 3, in accordance with their specific object (signboards indicating a prohibition, a warning, a mandatory action, an escape route, an emergency or fire-fighting equipment).
1.2. Pictograms shall be as simple as possible and shall contain only essential details.
1.3. The pictograms used may be slightly different from or more detailed than those shown in paragraph 3, provided that they convey the same meaning and that no difference or adaptation obscures the meaning.
1.4. Signboards shall be made of shock and weather-resistant material suitable for the surrounding environment.
1.5. The dimensions and colorimetric and photometric features of signboards shall be such that they can be easily seen and understood.
2. Conditions of use
2.1. Signboards shall be installed at a suitable height and in a position appropriate to the line of sight, taking account of any obstacles, either at the access point to an
…