2018 NFPA 70E Standard - Current Edition

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  • Description

    Keep the workplace safe from electrical hazards using the 2018 edition of NFPA 70E®.

    In a fraction of a second, an electrical incident can claim lives and cause permanently disabling injuries. In fact, hundreds of deaths and thousands of burn injuries occur each year due to shock, electrocution, arc flash, and arc blast -- and most could be prevented through compliance with NFPA 70E: Standard for Electrical Safety in the Workplace®.

    Originally developed at OSHA's request, NFPA 70E responds to the latest information about the effects of arc flash, arc blast, and direct current (dc) hazards, and recent developments in electrical design and Personal Protective Equipment (PPE). It provides vital information that helps you comply with OSHA 1910 Subpart S and OSHA 1926 Subpart K.

    Make sure everyone goes home at night. New NFPA 70E explicitly states that the first priority must be the elimination of the hazard.

    The Standard continues to evolve to address risk assessment and introduces human factors, such as human error, as part of that assessment. Annex Q, Human Performance and Workplace Electrical Safety, is included to provide guidance. NFPA 70E emphasizes the need to use the hierarchy of risk controls, by moving it from an informational note into the text of the Standard. NFPA 70E now explicitly states that the first priority must be the elimination of the hazard.

    Other changes in this edition:

    • A modified arc flash hazard identification table [Table 130.7(C)(15)(A)(a)] makes it easier to determine the likelihood that an arc flash could occur.
    • Reorganized Article 120 presents the requirements for establishing an electrically safe work condition in a logical order of application of the program.
    • Changes to Article 320 introduce voltage thresholds of 100 Vdc specifically for batteries and battery rooms to cover the unique situations in these locations.
    • Extensively revised, Article 330 on lasers now focuses on safety-related maintenance issues rather than issues associated with laser use.
    • Article 350 introduces an Electrical Safety Authority as a possible authority having jurisdiction for laboratories.

    Bring your company's electrical safety program up-to-date and give employees critical knowledge.

    If you're responsible for ensuring workers are protected from shock and arc flash hazards, use the 2018 edition of NFPA 70E along with NFPA 70®: National Electrical Code® (NEC®) and NFPA 70B: Electrical Equipment Maintenance. Together, the "Big Three" help you protect your personnel and your company from tragic loss. NFPA 70E is a vital tool for contractors, risk managers, engineers, building managers, owners, and everyone concerned with ending electrical-related accidents, liability, and loss. (Softbound, 104 pp., 2018)

     

    Interested in other editions of NFPA 70E? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2018 Current Edition)

    NFPA 70E® Standard for Electrical Safety in the Workplace®, 2018 Edition

    90 Introduction
    Chapter 1 Safety-Related Work Practices
    100 Definitions
    105 Application of Safety-Related Work Practices and Procedures
    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
    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
    Chapter 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: Lasers
    340 Safety-Related Work Practices: Power Electronic Equipment
    350 Safety-Related Work Requirements: Research and Development Laboratories

    Informative Annex A Informative Publications
    Informative Annex B Reserved
    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 and Risk Control
    Informative Annex G Sample Lockout/Tagout Program
    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
    Informative Annex Q Human Performance and Workplace Electrical Safety
  • Prior Editions

    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 2015 edition NFPA 70E: Electrical Safety in the Workplace introduces a major change in how stakeholders evaluate electrical risk -- so that owners, managers, and employees can work together to ensure an electrically safe working area and comply with OSHA 1910 Subpart S and OSHA 1926 Subpart K.
    • The 2012 edition of NFPA 70E is updated to help users reduce the risk of electrical injuries and fatalities on the job. Revised rules and Annex F clearly differentiate between "risk assessment" and "hazard identification." Added text explains when the energized work permit (EWP) is required and what it should contain. This edition also 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 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.

    Interested in other editions of the NFPA 70E? Use the drop down menu above to select the edition year you need.

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  • eForms Table of Contents

    TABLE OF CONTENTS

    • Job Briefing and Planning Checklist
    • Auditing Form
    • Energized Electrical Work Permit
  • What is a Redline PDF?

    NFPA®'s Redline PDF contains both the current NFPA document and a Redline version of the document which shows changes from the previous edition marked in color. With the Redline you can quickly spot changed sections and tell specifically what has been changed from the previous edition, saving time and confusion.

    • Changed sections are marked with a vertical rule.
    • Deleted material is shown in red strikethrough type.
    • New material appears in blue underscored type.

     

    Sample (NEC® 2014)

    411.2411.3 Definition. Low-Voltage Lighting Systems.

     

    (A) General. Lighting Ssystems Ooperating at 30 Volts- volts or  Less. A lighting system consisting less shall consist of an isolating power supply, the low-voltage luminaires, and associated equipment that are all identified for the use. The output circuits of the power supply are shall be rated for not more than 25 amperes and  operate at 30 volts (42.4 volts peak) or lessmaximum under all load conditions.

     

    (B) Class 2. Listed Class 2 lighting equipment shall be rated in conformance with Chapter 9, Table 11(A) or Table 11(B).

     

    411.3411.4 Listing Required. Lighting systems operating at 30 volts or less shall comply with 411.3(A)411.4(A) or 

    411.3(B).411.4(B). Class 2 power sources and lighting equipment connected to Class 2 power sources shall be llisted.

  • Also in NFPA 70E: Electrical Safety in the Workplace