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About This Item


Full Description

Establishes requirements for a uniform visual system of identification related to potential hazards in the environment. It provides for the design, application and use of signs and placards employing this visual alerting system.



1 Introduction

2 Scope and Purpose
2.1 Scope
2.2 Purpose

3 Application and Exceptions
3.1 Application
3.2 Exceptions

4 Definitions

5 Safety sign colors and formats
5.1 DANGER signs
5.2 WARNING signs
5.3 CAUTION signs
5.4 NOTICE signs
5.5 Signs for safety instruction or safety equipment location
5.6 Fire safety signs
5.7 Directional arrow signs
5.8 Special signs
5.9 Sign classification selection

6 Sign design/layout
6.1 Three panel signs
6.2 Two panel signs
6.3 Application of sign formats by hazard classification

7 Sign color specifications

8 Safety symbols
8.1 General
8.2 Safety symbol use

9 Letter style and size
9.1 Letter style
9.2 Letter size

10 Sign finish

11 Sign Placement

12 Illumination

13 Normative References


1 The safety alert symbol
2 Format for the DANGER signal word panel
3 Format for the WARNING signal word panel
4 Format for the personal injury CAUTION signal word panel
5 Format for the CAUTION signal word panel not related to personal injury when used as an alternate to NOTICE
6 Format for the NOTICE signal word panel
7 Formats of signal word panels used for safety instruction and safety equipment location signs
8 Example of fire extinguisher location sign
9 Directional arrow (indicating movement to the right)
10 Examples of signal word panels with various safety alert symbols-three-panel sign horizontal format
11 Three-Panel Sign
vertical format
12 Two-Panel Sign-vertical format
13 Three-Panel Sign-horizontal format
14 Two-Panel Sign-horizontal format
15 Two-Panel Sign-shortened signal word panel format
16 Two-Panel Sign-side-by-side format
17 Three-Panel Sign-horizontal format with symbol panel on right
18 Three-Panel Sign-horizontal format with message panel and symbol panel separated by line
19 Three-Panel Sign-horizontal format with message panel and symbol panel separated by white space
20 Figure 20 - Two-Panel Sign-signal word panel and symbol pane
21 Two-Panel Sign-vertical format with message above symbol panel
22 Two-Panel Sign-vertical format with message below symbol panel


1 Application of sign panels formats

Informative Annexes

A Guidelines for increasing recognition of safety sign components
B Principles and guidelines for the design of environmental and facility safety signs
C Previous formats for signal word panels
D Risk estimation and signal word selection
E Informative references

Document History

  1. ANSI Z535.2-2011 (R2017)

    American National Standard for Environmental and Facility Safety Signs

    • Most Recent
  2. ANSI Z535.2-2007


    Environmental and Facility Safety Signs

    • Historical Version
  3. ANSI Z535.2-2002

    Environmental and Facility Safety Signs

    • Historical Version