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Standard
ISO 3864-3
Third edition
Graphical symbols — Safety colours
2024-05
and safety signs —
Part 3:
Design principles for graphical
symbols for use in safety signs
Symboles graphiques — Couleurs de sécurité et signaux de
sécurité —
Partie 3: Principes de conception pour les symboles graphiques
utilisés dans les signaux de sécurité
Reference number
ISO 3864-3:2024(en) © ISO 2024
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ISO 3864-3:2024(en)
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 3864-3:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Designing graphical symbols for use in safety signs. 2
5 Review of existing International Standards . 2
6 Assignment of meaning, function, image content and hazard to the safety sign . 2
7 Design criteria . 3
7.1 Geometric shapes and colours of safety signs .3
7.2 Size and position of the graphical symbol .3
7.3 Layout of templates .6
7.4 Exclusion zone . .7
7.4.1 General .7
7.4.2 Prohibition signs .7
7.4.3 Mandatory action signs .8
7.4.4 Warning signs .8
7.4.5 Safe condition signs and fire equipment signs .9
7.5 Line width .
...