NFPA 70E®: Handbook for Electrical Safety in the Workplace, 2012 Edition

Contents

Preface

About the Editors

PART ONE

NFPA 70E®, Standard for Electrical Safety in the Workplace®, with Commentary

Article 90 Introduction

1 Safety-Related Work Practices

100 Definitions

105 Application of Safety-Related Work Practices

110 General Requirements for Electrical Safety-Related Work Practices

120 Establishing an Electrically Safe Work Condition

130 Work Involving Electrical Hazards

2 Safety-Related Maintenance Requirements

200 Introduction

205 General Maintenance Requirements

210 Substations, Switchgear Assemblies, Switchboards, Panelboards, Motor Control Centers, and Disconnect Switches

215 Premises Wiring

220 Controller Equipment

225 Fuses and Circuit Breakers

230 Rotating Equipment

235 Hazardous (Classified) Locations

240 Batteries and Battery Rooms

245 Portable Electric Tools and Equipment

250 Personal Safety and Protective Equipment

3 Safety Requirements for Special Equipment

300 Introduction

310 Safety-Related Work Practices for Electrolytic Cells

320 Safety Requirements Related to Batteries and Battery Rooms

330 Safety-Related Work Practices for Use of Lasers

340 Safety-Related Work Practices: Power Electronic Equipment

350 Safety-Related Work Requirements: Research and Development Laboratories

Informative Annexes

A Referenced Publications

B Informational References

C Limits of Approach

D Incident Energy and Arc Flash Boundary Calculation Methods

E Electrical Safety Program

F Hazard Analysis, Risk Estimation, and Risk Evaluation Procedure

G Sample Lockout/Tagout Procedure

H Guidance on Selection of Protective Clothing and Other Personal Protective Equipment

I Job Briefing and Planning Checklist

J Energized Electrical Work Permit

K General Categories of Electrical Hazards

L Typical Application of Safeguards in the Cell Line Working Zone

M Layering of Protective Clothing and Total System Arc Rating

N Example Industrial Procedures and Policies for Working Near Overhead Electrical Lines and Equipment

O Safety-Related Design Requirements

P Aligning Implementation of this Standard with Occupational Health and Safety Management Standards

PART TWO

Supplements

1 National Electrical Code Requirements Associated With Safety-Related Work Practices

2 Electrical Preventive Maintenance Programs

3 Steve and Dela Lenz: One Family’s Experience with and Arc-Flash Incident

Index

Important Notices and Legal Disclaimers