Graphical symbols - Safety colours and safety signs - Part 3: Design principles for graphical symbols for use in safety signs

This document provides principles, criteria and guidance for the design of graphical symbols for use in safety signs as defined in ISO 3864-1, and for the safety sign element of product safety labels as defined in ISO 3864-2.

Symboles graphiques — Couleurs de sécurité et signaux de sécurité — Partie 3: Principes de conception pour les symboles graphiques utilisés dans les signaux de sécurité

L'ISO 3864-3:2012 établit les principes, critères et conseils relatifs à la conception des symboles graphiques utilisés dans les signaux de sécurité tels que définis dans l'ISO 3864-1, ainsi que l'élément de signal de sécurité des étiquettes de sécurité des produits telles que définies dans l'ISO 3864-2.

Grafični simboli - Varnostne barve in varnostni znaki - 3. del: Načela snovanja grafičnih simbolov za uporabo v varnostnih znakih

Ta dokument podaja načela, merila in navodila za snovanje grafičnih simbolov za uporabo v varnostnih znakih, kot je opredeljeno v standardu ISO 3864-1, ter v elementih varnostnih oznak, kot je opredeljeno v standardu ISO 3864-2.

General Information

Status
Published
Publication Date
01-Sep-2024
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-Aug-2024
Due Date
17-Oct-2024
Completion Date
02-Sep-2024

Relations

Overview

ISO 3864-3:2024 - "Graphical symbols - Safety colours and safety signs - Part 3: Design principles for graphical symbols for use in safety signs" - sets out principles, criteria and guidance for designing graphical symbols used in safety signs and the safety-sign element of product safety labels. It defines how symbols should be conceived, reviewed and prepared for standardization (e.g., inclusion in ISO 7010) to ensure visual clarity, consistency, recognizability and correct assignment of meaning and hazard.

Key topics and technical requirements

  • Design process: Develop an unambiguous hazard description, confirm a new symbol is needed (review ISO 7010 and existing registered symbols), define target group characteristics, assign meaning/function, and select the proper sign type (Clause 4–6).
  • Templates and geometry: Symbols must be created inside the standard safety-sign templates (circle, triangle, square) and conform to ISO 3864‑1 geometric shapes and colours.
  • Size, position and layout: Symbols should use the central area up to the template’s exclusion zone, be centred, and be provided as a 70 mm master artboard with corner marks for scaling (Clause 7.2–7.3).
  • Exclusion zones: Defined inner margins prevent symbol elements touching template edges. Examples in the standard include:
    • Prohibition signs: exclusion zone = 3.3% of sign outer diameter
    • Mandatory and safe-condition/fire signs: exclusion zone = 8% of circle/square
    • Warning signs: exclusion zone = 3.3% of sign width
  • Visual construction details: Guidance on line width, use of determinants (common elements used across a family of symbols), arrows, characters, and combining symbol elements to retain clarity and single-message use (Clause 7.5–7.10).
  • Review & harmonization: Requirement to check ISO 7010 and existing symbols, adapt registered elements only with consistent meanings, and follow Annex A additional guidelines where recommended.

Practical applications and users

Who uses ISO 3864-3:

  • Safety sign and graphical symbol designers
  • Product designers and label authors creating product safety markings
  • Health & safety managers, facilities and operations teams
  • Regulatory and compliance officers ensuring signs meet standards
  • Manufacturers, OEMs and procurement teams specifying signage
  • Standards committees and technical writers preparing symbol registration

Practical uses:

  • Creating new safety symbols for facilities, machinery and products
  • Preparing master artwork for scaling and registration (ISO 7010)
  • Ensuring consistent signage across multinational sites and training materials
  • Specifying visual parameters (exclusion zone, line width, layout) for production and procurement

Related standards

  • ISO 3864-1: Design principles for safety signs and markings (templates & colours)
  • ISO 3864-4: Colorimetric and photometric properties of sign materials
  • ISO 7010: Registered safety signs (catalogue of standardized symbols)

Keywords: ISO 3864-3, graphical symbols, safety signs, design principles, exclusion zone, ISO 7010, safety colours, safety sign templates, mandatory signs, prohibition signs, warning signs.

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Frequently Asked Questions

SIST ISO 3864-3:2024 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Graphical symbols - Safety colours and safety signs - Part 3: Design principles for graphical symbols for use in safety signs". This standard covers: This document provides principles, criteria and guidance for the design of graphical symbols for use in safety signs as defined in ISO 3864-1, and for the safety sign element of product safety labels as defined in ISO 3864-2.

This document provides principles, criteria and guidance for the design of graphical symbols for use in safety signs as defined in ISO 3864-1, and for the safety sign element of product safety labels as defined in ISO 3864-2.

SIST ISO 3864-3:2024 is classified under the following ICS (International Classification for Standards) categories: 01.080.01 - Graphical symbols in general; 01.080.10 - Public information symbols. Signs. Plates. Labels; 13.200 - Accident and disaster control. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST ISO 3864-3:2024 has the following relationships with other standards: It is inter standard links to SIST ISO 3864-3:2013. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

You can purchase SIST ISO 3864-3:2024 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.

Standards Content (Sample)


SLOVENSKI STANDARD
01-oktober-2024
Nadomešča:
SIST ISO 3864-3:2013
Grafični simboli - Varnostne barve in varnostni znaki - 3. del: Načela snovanja
grafičnih simbolov za uporabo v varnostnih znakih
Graphical symbols — Safety colours 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
Ta slovenski standard je istoveten z: ISO 3864-3:2024
ICS:
01.080.10 Simboli za javno obveščanje. Public information symbols.
Znaki. Table. Označbe Signs. Plates. Labels
13.200 Preprečevanje nesreč in Accident and disaster control
katastrof
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

International
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 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
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 .9
7.6 Consistency within a family of graphical symbols .11
7.7 Determinants . 12
7.8 Combination of graphical symbols or graphical symbol elements . 13
7.9 Use of arrows in graphical symbols . .14
7.10 Characters.14
Annex A (informative) Additional design guidelines .15
Bibliography .26

iii
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 145, Graphical symbols, Subcommittee SC 2,
Safety identification, signs, shapes, symbols and colours.
This third edition cancels and replaces the second edition (ISO 3864-3:2012), which has been technically
revised.
The main changes are as follows:
— references have been added in the Introduction to the list of translations of referents and to the ISO
Online Browsing Platform;
— normative references have been updated;
— exclusion zone for warning signs in 7.4.4 has been clarified.
A list of all parts in the ISO 3864 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.

iv
Introduction
Graphical symbols in safety signs are used for a wide range of purposes. There is a need to standardize the
principles for creating these graphical symbols to ensure visual clarity, to maintain consistency and thereby
to improve recognition and comprehension. The principles set out in this document specify the design
criteria by which graphical symbols are judged for standardization and publication in ISO 7010.
Graphical symbols used in safety signs are not always intuitively understood. Often training can be necessary
to inform people about the meaning of a graphical symbol. Such training can take place by including the
meaning of a graphical symbol in operation manuals, company bulletins and training programme materials,
as well as by using supplementary text with the safety sign.
NOTE 1 Information on procedures, criteria of acceptability, safety sign templates and application of safety signs,
as well as translations of the referents, can be found at https://www.iso.org/tc145/sc2.
NOTE 2 All safety signs are available on the ISO Online Browsing Platform at https://www.iso.org/obp.

v
International Standard ISO 3864-3:2024(en)
Graphical symbols — Safety colours and safety signs —
Part 3:
Design principles for graphical symbols for use in safety signs
IMPORTANT — The colours represented in the electronic file of this document can be neither viewed
on screen nor printed as true representations. For the purposes of colour matching see ISO 3864-4,
which provides colorimetric and photometric properties together with, as a guideline, references
from colour order systems.
1 Scope
This document provides principles, criteria and guidance for the design of graphical symbols for use in
safety signs as defined in ISO 3864-1, and for the safety sign element of product safety labels as defined in
ISO 3864-2.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 3864-1:2011, Graphical symbols — Safety colours and safety signs — Part 1: Design principles for safety
signs and safety markings
ISO 3864-4, Graphical symbols — Safety colours and safety signs — Part 4: Colorimetric and photometric
properties of safety sign materials
ISO 7010, Graphical symbols — Safety colours and safety signs — Registered safety signs
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
determinant
graphical symbol used as a common element within a series of graphical symbols
EXAMPLE The fire determinant, when used with the graphical symbol for a hose reel, conveys the meaning “fire
hose reel”; see Figure 17.
4 Designing graphical symbols for use in safety signs
Before designing a graphical symbol the designer shall:
— develop a clear and unambiguous description of the hazard that the graphical symbol is intended to
address;
— confirm that a new graphical symbol for use in a safety sign is required (i.e. confirm that a suitable
graphical symbol does not already exist; see Clause 5);
— identify the safety message that the safety sign is intended to convey;
— define the characteristics of the target group, including their general skill and ability to understand the
information that the particular safety sign is intended to convey, and design the graphical symbol for
that group;
— assign a meaning and function to the safety sign in accordance with Clause 6;
— identify the type of the safety sign required in accordance with 7.1.
Consideration should be given as to the types of safety sign for which the graphical symbol can be appropriate
and to the design implications such multiple applicability can have. For example, a graphical symbol for use
in a mandatory action sign can be adversely affected by the diagonal bar of a prohibition sign. Also, the
restricted space within the triangle of a warning sign can adversely affect the graphical symbol originally
designed for a prohibition sign.
During the creation process, the designer shall follow the criteria given in Clause 7.
Designers are strongly recommended to use the guidelines set out in Annex A.
5 Review of existing International Standards
The designer shall determine:
— whether a safety sign incorporating a graphical symbol conveying the required meaning is specified in
ISO 7010;
— in cases where a safety sign incorporating a graphical symbol conveying the required meaning is not
specified in ISO 7010, whether there is a registered graphical symbol conveying the required meaning;
— whether registered graphical symbols with similar meanings can be adapted or combined to form the
graphical symbol for the new safety sign;
— whether there are standardized determinants appropriate for use with the graphical symbol for the new
safety sign (see 7.8).
If specific graphical elements are borrowed from existing graphical symbols, they should convey the same
meaning as that described in the existing graphical symbol.
6 Assignment of meaning, function, image content and hazard to the safety sign
Each safety sign shall be used to convey only one safety message in accordance with ISO 3864-1.
The new safety sign shall be assigned a meaning and a function. The hazard shall be described. Once the
safety sign original is complete, the image content shall be identified. An example is shown in Figure 1.

Meaning: No smoking
Function: To prohibit smoking
Image content: Cigarette (profile, outlined) with two
wavy lines
Hazard: Fire or explosion caused by lit cigarettes or
other smoking materials or harm from the smoke
Figure 1 — Example of assignment of meaning, function, image content and hazard to a safety sign
(ISO 7010-P002)
7 Design criteria
7.1 Geometric shapes and colours of safety signs
The graphical symbol shall be designed within the appropriate safety sign template. The safety sign
templates used by the designer shall conform to the geometrical shapes and colours given in ISO 3864-1:
— for prohibition: see ISO 3864-1:2011, Figure 1;
— for mandatory action: see ISO 3864-1:2011, Figure 2;
— for warning: see ISO 3864-1:2011, Figure 3;
— for safe condition: see ISO 3864-1:2011, Figure 4;
— for fire equipment: see ISO 3864-1:2011, Figure 5.
For safety signs, the colorimetric and photometric properties of the colours shall be in accordance with
ISO 3864-4.
7.2 Size and position of the graphical symbol
The graphical symbol shall make full use of the central area up to the boundary of the exclusion zone of the
applicable safety sign template (see 7.4) and shall be centred as closely as practicable within the applicable
geometric shape of the safety sign template. For examples see Figures 2 to 6.

Figure 2 — No thoroughfare (ISO 7010-P004)
A supplementary text sign is required with the general mandatory action sign.
Figure 3 — General mandatory action sign (ISO 7010-M001)

Figure 4 — Warning; Floor-level obstacle (ISO 7010-W007)
Figure 5 — Emergency telephone (ISO 7010-E004)

Figure 6 — Fire extinguisher (ISO 7010-F001)
7.3 Layout of templates
The new safety sign original shall be provided without borders in a uniform 70 mm size with corner marks
to enable accurate enlargement and reduction (see Figure 7).
Figure 7 — Area of 70 mm size marked with corner marks (empty)
The safety sign shall make full use of the area within the corner marks, such that:
— mandatory action signs and prohibition signs are circles of 70 mm diameter;
— safe condition signs and fire equipment signs are squares with 70 mm sides;
— warning signs are triangles of 70 mm width at the base.

7.4 Exclusion zone
7.4.1 General
The graphical symbol within the safety sign shall not extend into the exclusion zone indicated by a dotted
line as shown on the following safety sign templates (see Figures 8 to 12) except where absolutely necessary
to maintain visual clarity and understanding.
7.4.2 Prohibition signs
NOTE 1 The exclusion zo
...


International
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 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
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 .9
7.6 Consistency within a family of graphical symbols .11
7.7 Determinants . 12
7.8 Combination of graphical symbols or graphical symbol elements . 13
7.9 Use of arrows in graphical symbols . .14
7.10 Characters.14
Annex A (informative) Additional design guidelines .15
Bibliography .26

iii
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 145, Graphical symbols, Subcommittee SC 2,
Safety identification, signs, shapes, symbols and colours.
This third edition cancels and replaces the second edition (ISO 3864-3:2012), which has been technically
revised.
The main changes are as follows:
— references have been added in the Introduction to the list of translations of referents and to the ISO
Online Browsing Platform;
— normative references have been updated;
— exclusion zone for warning signs in 7.4.4 has been clarified.
A list of all parts in the ISO 3864 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.

iv
Introduction
Graphical symbols in safety signs are used for a wide range of purposes. There is a need to standardize the
principles for creating these graphical symbols to ensure visual clarity, to maintain consistency and thereby
to improve recognition and comprehension. The principles set out in this document specify the design
criteria by which graphical symbols are judged for standardization and publication in ISO 7010.
Graphical symbols used in safety signs are not always intuitively understood. Often training can be necessary
to inform people about the meaning of a graphical symbol. Such training can take place by including the
meaning of a graphical symbol in operation manuals, company bulletins and training programme materials,
as well as by using supplementary text with the safety sign.
NOTE 1 Information on procedures, criteria of acceptability, safety sign templates and application of safety signs,
as well as translations of the referents, can be found at https://www.iso.org/tc145/sc2.
NOTE 2 All safety signs are available on the ISO Online Browsing Platform at https://www.iso.org/obp.

v
International Standard ISO 3864-3:2024(en)
Graphical symbols — Safety colours and safety signs —
Part 3:
Design principles for graphical symbols for use in safety signs
IMPORTANT — The colours represented in the electronic file of this document can be neither viewed
on screen nor printed as true representations. For the purposes of colour matching see ISO 3864-4,
which provides colorimetric and photometric properties together with, as a guideline, references
from colour order systems.
1 Scope
This document provides principles, criteria and guidance for the design of graphical symbols for use in
safety signs as defined in ISO 3864-1, and for the safety sign element of product safety labels as defined in
ISO 3864-2.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 3864-1:2011, Graphical symbols — Safety colours and safety signs — Part 1: Design principles for safety
signs and safety markings
ISO 3864-4, Graphical symbols — Safety colours and safety signs — Part 4: Colorimetric and photometric
properties of safety sign materials
ISO 7010, Graphical symbols — Safety colours and safety signs — Registered safety signs
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
determinant
graphical symbol used as a common element within a series of graphical symbols
EXAMPLE The fire determinant, when used with the graphical symbol for a hose reel, conveys the meaning “fire
hose reel”; see Figure 17.
4 Designing graphical symbols for use in safety signs
Before designing a graphical symbol the designer shall:
— develop a clear and unambiguous description of the hazard that the graphical symbol is intended to
address;
— confirm that a new graphical symbol for use in a safety sign is required (i.e. confirm that a suitable
graphical symbol does not already exist; see Clause 5);
— identify the safety message that the safety sign is intended to convey;
— define the characteristics of the target group, including their general skill and ability to understand the
information that the particular safety sign is intended to convey, and design the graphical symbol for
that group;
— assign a meaning and function to the safety sign in accordance with Clause 6;
— identify the type of the safety sign required in accordance with 7.1.
Consideration should be given as to the types of safety sign for which the graphical symbol can be appropriate
and to the design implications such multiple applicability can have. For example, a graphical symbol for use
in a mandatory action sign can be adversely affected by the diagonal bar of a prohibition sign. Also, the
restricted space within the triangle of a warning sign can adversely affect the graphical symbol originally
designed for a prohibition sign.
During the creation process, the designer shall follow the criteria given in Clause 7.
Designers are strongly recommended to use the guidelines set out in Annex A.
5 Review of existing International Standards
The designer shall determine:
— whether a safety sign incorporating a graphical symbol conveying the required meaning is specified in
ISO 7010;
— in cases where a safety sign incorporating a graphical symbol conveying the required meaning is not
specified in ISO 7010, whether there is a registered graphical symbol conveying the required meaning;
— whether registered graphical symbols with similar meanings can be adapted or combined to form the
graphical symbol for the new safety sign;
— whether there are standardized determinants appropriate for use with the graphical symbol for the new
safety sign (see 7.8).
If specific graphical elements are borrowed from existing graphical symbols, they should convey the same
meaning as that described in the existing graphical symbol.
6 Assignment of meaning, function, image content and hazard to the safety sign
Each safety sign shall be used to convey only one safety message in accordance with ISO 3864-1.
The new safety sign shall be assigned a meaning and a function. The hazard shall be described. Once the
safety sign original is complete, the image content shall be identified. An example is shown in Figure 1.

Meaning: No smoking
Function: To prohibit smoking
Image content: Cigarette (profile, outlined) with two
wavy lines
Hazard: Fire or explosion caused by lit cigarettes or
other smoking materials or harm from the smoke
Figure 1 — Example of assignment of meaning, function, image content and hazard to a safety sign
(ISO 7010-P002)
7 Design criteria
7.1 Geometric shapes and colours of safety signs
The graphical symbol shall be designed within the appropriate safety sign template. The safety sign
templates used by the designer shall conform to the geometrical shapes and colours given in ISO 3864-1:
— for prohibition: see ISO 3864-1:2011, Figure 1;
— for mandatory action: see ISO 3864-1:2011, Figure 2;
— for warning: see ISO 3864-1:2011, Figure 3;
— for safe condition: see ISO 3864-1:2011, Figure 4;
— for fire equipment: see ISO 3864-1:2011, Figure 5.
For safety signs, the colorimetric and photometric properties of the colours shall be in accordance with
ISO 3864-4.
7.2 Size and position of the graphical symbol
The graphical symbol shall make full use of the central area up to the boundary of the exclusion zone of the
applicable safety sign template (see 7.4) and shall be centred as closely as practicable within the applicable
geometric shape of the safety sign template. For examples see Figures 2 to 6.

Figure 2 — No thoroughfare (ISO 7010-P004)
A supplementary text sign is required with the general mandatory action sign.
Figure 3 — General mandatory action sign (ISO 7010-M001)

Figure 4 — Warning; Floor-level obstacle (ISO 7010-W007)
Figure 5 — Emergency telephone (ISO 7010-E004)

Figure 6 — Fire extinguisher (ISO 7010-F001)
7.3 Layout of templates
The new safety sign original shall be provided without borders in a uniform 70 mm size with corner marks
to enable accurate enlargement and reduction (see Figure 7).
Figure 7 — Area of 70 mm size marked with corner marks (empty)
The safety sign shall make full use of the area within the corner marks, such that:
— mandatory action signs and prohibition signs are circles of 70 mm diameter;
— safe condition signs and fire equipment signs are squares with 70 mm sides;
— warning signs are triangles of 70 mm width at the base.

7.4 Exclusion zone
7.4.1 General
The graphical symbol within the safety sign shall not extend into the exclusion zone indicated by a dotted
line as shown on the following safety sign templates (see Figures 8 to 12) except where absolutely necessary
to maintain visual clarity and understanding.
7.4.2 Prohibition signs
NOTE 1 The exclusion zone is a zone, set within the circular graphic area, which has a width equal to 3,3 % of the
outer diameter of the sign.
NOTE 2 The boundary of the exclusion zone is shown by a dotted black line.
Figure 8 — Exclusion zone for prohibition signs

7.4.3 Mandatory action signs
NOTE 1 The exclusion zone is a zone, set within the circle, which has a width equal to 8 % of the outer diameter of
the sign.
NOTE 2 The boundary of the exclusio
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SIST ISO 3864-3:2024は、安全標識に使用されるグラフィカルシンボルのデザイン原則についてのガイドラインを提供する重要な標準です。この標準はISO 3864-1で定義された安全標識のためのグラフィカルシンボルおよびISO 3864-2で定義された製品安全ラベルの安全標識要素に関するものであり、実務者にとって非常に有用です。 この文書の強みは、デザイン原則に加え、具体的な評価基準とガイダンスを提示している点です。目的に応じた適切な色彩とシンボルの選定に関する明確な指針が示されており、安全標識の効果的な確認と使用を促進します。また、国際的な基準に整合性があるため、グローバルな取引においても適用しやすくなっています。 さらに、SIST ISO 3864-3:2024は安全性の意識向上に寄与することが期待されており、関係者が安全標識を正しく理解し利用するための助けとなります。この標準は、様々な業界での安全文化の促進に役立つ要素を盛り込んでおり、その関連性は非常に高いです。 総じて、SIST ISO 3864-3:2024は、グラフィカルシンボルが持つ安全確保のための重要性を再確認させるとともに、デザインに関する具体的な枠組みを提供しています。これにより、安全標識の効果を向上させるための基盤が築かれ、使用する人々にとっての理解しやすさを高めています。

SIST ISO 3864-3:2024 표준은 안전 기호에 사용되는 그래픽 심볼의 설계를 위한 원칙, 기준 및 지침을 제공합니다. 이 문서는 ISO 3864-1에서 정의된 안전 신호의 그래픽 심볼 및 ISO 3864-2에서 정의된 제품 안전 라벨의 안전 신호 요소에 관련된 내용을 포괄하고 있습니다. 이 표준의 강점 중 하나는 명확하고 일관된 그래픽 심볼 설계 원칙을 제공한다는 점입니다. 이를 통해 다양한 산업 분야에서 안전 기호의 인식성을 높일 수 있으며, 사용자들이 안전 정보를 쉽게 이해하고 인식할 수 있도록 도와줍니다. 더욱이, 표준은 국제적으로 통용되는 안전 색상 및 기호에 대한 규정을 포함하고 있어, 다국적 기업들이 요구하는 통일성을 제공합니다. 또한, SIST ISO 3864-3:2024는 각 그래픽 심볼의 디자인이 특정 안전 메시지를 효과적으로 전달하도록 돕기 위해 심플함과 직관성을 우선시하고 있습니다. 이는 안전 기호의 설계 시 고려해야 할 요소들을 포괄적으로 제시하고 있어, 설계자들에게 실질적인 가이드를 제공합니다. 이 표준의 적절성은 현대 산업 환경에서의 안전 규정 준수의 필요성에 크게 기인합니다. 다양한 산업에서 안전 기호는 반드시 필수적으로 사용되며, 이런 기호들이 올바른 방식으로 설계된다면 산업 재해를 예방하는 데 중요한 역할을 하게 됩니다. 따라서 SIST ISO 3864-3:2024는 안전 관리 체계의 핵심 부품으로 손꼽힙니다.

Le document SIST ISO 3864-3:2024 établit des principes et des critères essentiels pour la conception de symboles graphiques destinés à être utilisés dans les panneaux de sécurité. En tant que partie intégrante d'une norme plus vaste, qui inclut également ISO 3864-1 et ISO 3864-2, cette norme se révèle crucial pour garantir la cohérence et l'efficacité des signes de sécurité. L'une des forces majeures de la norme ISO 3864-3:2024 réside dans son approche systématique en matière de design. Elle fournit des directives claires qui aident les concepteurs à créer des symboles facilement identifiables et compréhensibles. Ces directives contribuent à assurer que les signes de sécurité ne soient pas seulement esthétiques, mais aussi pragmatiques et fonctionnels, ce qui est vital dans des situations où une communication rapide et claire est nécessaire. De plus, cette norme renforce l'uniformité à l'échelle internationale, ce qui est particulièrement pertinent dans un monde de plus en plus globalisé. Grâce à une standardisation efficace, ISO 3864-3:2024 aide à minimiser les malentendus et à assurer que les messages de sécurité soient universellement compris, indépendamment de la langue ou de la culture. Ainsi, la pertinence de cette norme s'étend au-delà du simple cadre de conception, touchant également des aspects légaux et de responsabilité en matière de sécurité. En intégrant des critères spécifiques pour les éléments du signe de sécurité sur les étiquettes de produits, la norme ISO 3864-3:2024 assure également la cohérence entre les différents supports de communication de sécurité. Cette alignement favorise une meilleure sensibilisation du public face aux dangers, augmentant ainsi la sécurité générale. En somme, le SIST ISO 3864-3:2024 se présente comme un outil indispensable pour les professionnels du design graphique, offrant des bases solides pour la création de symboles de sécurité. Sa capacité à établir des normes claires et universelles fait de cette norme un instrument de choix pour optimister la communication visuelle concernant la sécurité.

The standard SIST ISO 3864-3:2024 plays a critical role in enhancing the effectiveness of safety communications through graphical symbols. Its scope covers the principles, criteria, and guidance necessary for developing these symbols specifically for use in safety signs, as well as for the safety sign elements of product safety labels. This comprehensive approach ensures that safety messaging is clear, consistent, and universally understood, which is paramount in preventing accidents and ensuring compliance with safety regulations. One of the strengths of the standard is its focus on the design principles for graphical symbols. By providing a clear set of guidelines, the document fosters consistency across various contexts and regions, thus reducing the likelihood of misinterpretation. This is particularly vital in a globalized environment where diverse audiences may need to quickly grasp safety instructions in emergency situations. Additionally, the relevance of the SIST ISO 3864-3:2024 standard cannot be overstated. As industries evolve and new safety challenges emerge, having a robust framework for the design of graphical symbols ensures that safety communications keep pace with these changes. The standard promotes the adaptation of safety signs to be more intuitive and user-friendly, which is a key factor in enhancing workplace safety and compliance with international norms. In summary, the SIST ISO 3864-3:2024 standard is crucial for anyone involved in the design and implementation of safety signs and product safety labels. It not only establishes essential design principles for graphical symbols, but also ensures that safety messages are effectively communicated, thereby safeguarding lives and promoting a culture of safety across various industries.

Die Norm SIST ISO 3864-3:2024 bietet eine umfassende Grundlage für die Gestaltung von grafischen Symbolen, die in Sicherheitszeichen verwendet werden. Ihr Anwendungsbereich ist klar definiert und deckt sowohl die Prinzipien und Kriterien für die Gestaltung von grafischen Symbolen in Sicherheitszeichen gemäß ISO 3864-1 als auch die sicherheitsrelevanten Zeichen auf Produktetiketten gemäß ISO 3864-2 ab. Ein herausragendes Merkmal dieser Norm ist ihre Fähigkeit, eine einheitliche und verständliche Gestaltung von Sicherheitszeichen zu fördern. Die klaren Entwurfskriterien tragen zur Verbesserung der Benutzerfreundlichkeit und Effektivität bei, indem sie sicherstellen, dass die Symbole international verständlich sind. Dies ist besonders wichtig in einem globalisierten Umfeld, in dem Sicherheitszeichen oft von Personen aus unterschiedlichen kulturellen und sprachlichen Hintergründen interpretiert werden müssen. Die Relevanz von SIST ISO 3864-3:2024 liegt auch in ihrer Richtlinie zur Schaffung intuitiver und leicht erkennbarer Symbole. Die Norm stellt sicher, dass Sicherheitszeichen nicht nur informativ, sondern auch optisch ansprechend und leicht verständlich sind, was die Wahrscheinlichkeit erhöht, dass sie im Ernstfall schnell erkannt und richtig interpretiert werden. Zusammenfassend lässt sich feststellen, dass SIST ISO 3864-3:2024 eine essentielle Ressource für Fachleute darstellt, die mit der Gestaltung und Anwendung von Sicherheitszeichen betraut sind. Die Norm bietet nicht nur technische Richtlinien, sondern trägt auch zur Sicherstellung von Sicherheit und Klarheit an Arbeitsplätzen und öffentlichen Räumen bei und leistet damit einen wesentlichen Beitrag zur allgemeinen Sicherheit.