NFPA 70E® Standard for Electrical Safety in the Workplace®, 2015 Edition
Chapter 1 Safety-Related Work Practices
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
Chapter 2 Safety-Related Maintenance Requirements
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
Chapter 3 Safety Requirements for Special Equipment
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
Annex A Referenced Publications
Informative Annex B Informational References
Informative Annex C Limits of Approach
Informative Annex D Incident Energy and Arc Flash Boundary Calculation Methods
Informative Annex E Electrical Safety Program
Informative Annex F Risk Assessment Procedure
Informative Annex G Sample Lockout/Tagout Procedure
Informative Annex H Guidance on Selection of Protective Clothing and Other Personal Protective Equipment (PPE)
Informative Annex I Job Briefing and Planning Checklist
Informative Annex J Energized Electrical Work Permit
Informative Annex K General Categories of Electrical Hazards
Informative Annex L Typical Application of Safeguards in the Cell Line Working Zone
Informative Annex M Layering of Protective Clothing and Total System Arc Rating
Informative Annex N Example Industrial Procedures and Policies for Working Near Overhead Electrical Lines and Equipment
Informative Annex O Safety-Related Design Requirements
Informative Annex P Aligning Implementation of This Standard with Occupational Health and Safety Management Standards
NFPA 70E®: Standard for Electrical Safety in the Workplace® reduces the risk of death or injury due to electrical hazards.
Used correctly, the safe work practices in NFPA 70E can stop workplace electrical accidents before they happen by reducing exposure to major electrical hazards. Originally developed at OSHA's request, NFPA 70E helps companies and employees avoid workplace injuries and fatalities due to shock, electrocution, arc flash, and arc blast, and assists in complying with OSHA 1910 Subpart S and OSHA 1926 Subpart K. Each edition of NFPA 70E builds on the next, incorporating the latest research and "lessons learned" from the field.
- The 2012 NFPA 70E: Electrical Safety in the Workplace includes a new shock protection boundary, hazard/risk table, and incident energy calculation for direct current systems. Revised Article 320 focuses on safe work practices for stationary batteries and battery rooms, such as those used by alternative energy systems.
- The 2009 NFPA 70E introduces an easier way to calculate incident energy -- the first step in determining PPE -- with revised Annex D that consolidates equations, adds tables, and provides alternatives to making detailed calculations. Other changes in this edition recognize a broader array of hazards and help reduce safety gaps. To further reduce the risks for second-degree thermal burns, cotton outerwear is no longer permitted for energy levels below 2 cal/cm2. An expanded Table in Article 130 covers added tasks such as thermographic imaging, and new equipment including arc-resistant switchgear. New Article 350 offers the Standard's first requirements for the protection of electrical personnel in R&D labs. New recordkeeping requirements for training and safety program audits respond to OSHA's need for records.
- The 2004 NFPA 70E: Electrical Safety in the Workplace improves compatibility with the NFPA 70®: National Electrical Code® (NEC®) with a new format featuring corresponding provisions. Installation criteria correlate with the 2002 NEC. To reduce the potential for errors, Safety Related Work Practices are prioritized to provide more specific safety guidance, and revised PPE requirements help minimize unsafe exposures. A new provision for a signed authorization for energized electrical work further reduces the likelihood of electrical accidents. New language concerning multi-employer relationships requires all contractors on a project to be aware of hazards, PPE, safe work practices, and emergency evacuation procedures. Definitions clarify electrical safety issues such as arc rating, incident energy, and restricted approach boundary.
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TABLE OF CONTENTS
- Job Briefing and Planning Checklist
- Auditing Form
- Energized Electrical Work Permit