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About This Item


Full Description

Safety tags and barricade tapes shall be used to identify a temporary hazard. They shall be used only until such time as the identified hazard is eliminated or the hazardous operation is completed. If a permanent sign or label is presented in a tag configuration, it shall comply with the provisions of ANSI Z535.4-2007, or ANSI Z535.2-2007


1 Introduction

2 Scope and purpose
2.1 Scope
2.2 Purpose

3 Definitions
3.1 Accident
3.2 Barricade tape
3.3 Colors
3.4 Hazard
3.5 Intent
3.6 Panel
3.7 Permanent facility/environmental safety sign
3.8 Permanent product safety sign or label
3.9 Safety tag (lock-out tag, accident prevention tag)
3.10 Safety alert symbol
3.11 Safety symbol
3.12 Safety tag and barricade tape classifications
3.13 Signal word:
3.14 Tag border

4 Safety tags and barricade tape classifications
4.1 DANGER tags and tape
4.2 WARNING tags and tape
4.3 CAUTION tags and tape
4.4 NOTICE tags and tape

5 Tag and tape format and color criteria
5.1 Color

5.2 Safety alert symbol
5.3 Signal word panel
5.4 Message panel
5.5 Tag and tape design/layout

6 Tag location, attachment methods, life expectancy, authorization
6.1 Tag location
6.2 Barricade tape placement
6.2.1 Placed to alert and inform the viewer
6.2.2 Placed to be legible, non-distracting, and not hazardous
6.3 Safety tag attachment methods
6.4 Life expectancy
6.5 Safety tag authorization

7 Letter style, viewing distance, tag size and shape
7.1 Letter style
7.2 Letter size
7.2.1 Letter height for barricade tape
7.2.2 Viewing distance/letter height
7.3 Tag size and shape

8 Safety symbols
8.1 General
8.2 Symbol use

9 References


1 Format for the safety alert symbol - equilateral triangle surrounding an exclamation mark

2 Format for the DANGER signal word panel - white letters on safety red background, safety red exclamation mark.

3 Format for the WARNING signal word panel - black letters on safety orange background, safety orange exclamation mark.

4 Format for the personal injury CAUTION signal word panel - black letters on safety yellow background, safety yellow exclamation mark

5 Format for the property damage only CAUTION signal word panel - black letters on safety yellow background

6 Format for the NOTICE signal word panel - white italic letters on safety blue background.

7 Format for tag borders

8 Safety tag illustration

9 Barricade tape illustration


A Principles and Guidelines for the Design of Safety Tags and Barricade Tapes

B Previous Formats for Signal Word Panels

C Risk Estimation and Signal Word Selection

D Informative References

Document History

  1. ANSI Z535.5-2011 (R2017)

    Safety Tags and Barricade Tapes (for Temporary Hazards)

    • Most Recent
  2. ANSI Z535.5-2007


    Safety Tags and Barricade Tapes (for Temporary Hazards)

    • Historical Version
  3. ANSI Z535.5-2002

    Accident Prevention Tags (for temporary hazards)

    • Historical Version
  4. ANSI Z535.5-1997

    Accident Prevention Tags (for temporary hazards)

    • Historical Version