2018 NFPA 791: Recommended Practice - Current Edition

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  • Description

    Work to ensure electrical product safety by following NFPA 791: Recommended Practice and Procedures for Unlabeled Electrical Equipment Evaluation.

    NFPA 791: Recommended Practice and Procedures for Unlabeled Electrical Equipment Evaluation covers recommended procedures for evaluating unlabeled electrical equipment for compliance with nationally recognized standards. Equipment must be capable of being installed in accordance with the NFPA 70®: National Electrical Code® (NEC®).

    A companion to NFPA 790: Standard for Competency of Third-Party Field Evaluation Bodies, NFPA 791 addresses the process in a consistent and reliable manner, thereby facilitating acceptance of results.

    NFPA 791 provides Authorities Having Jurisdiction (AHJs) with industry approved recommended practices and procedures for:

    • Evaluating unlabeled electrical equipment
    • Determining the acceptability of evaluation results reported by recognized third-party evaluation bodies
    • Evaluating multiple units of the same equipment

    Changes in the 2018 edition of NFPA 791 include:

     

    • An updated reference to the NEC edition date in Chapter 2, and a reaffirmed date for ASQ Z1.4, Sampling Procedures and Tables for Inspection by Attributes in Annex C
    • Edits that refer to applicable nationally recognized standard(s) and clarify the purpose of the document
    • Changes in Sections 5.8 and 5.11 that relate to overcurrent protection and marking for fuses and replacement elements

    NFPA 791 is used to inform AHJs and provide recommended procedures for third-party field evaluation bodies (FEBs) to perform evaluations in a consistent and reliable manner. (Softbound, 20 pp., 2018)

     

    Interested in other editions of NFPA 791? Use the drop down menu above to select the edition year you need.

  • Table of Contents (2018 Current Edition)

    NFPA® 791 Recommended Practice and Procedures for Unlabeled Electrical Equipment Evaluation, 2018 Edition

    Chapter 1 Administration
    1.1 Scope.
    1.2 Purpose.
    1.3 Application.
    Chapter 2 Referenced Publications
    2.1 General.
    2.2 NFPA Publications. (Reserved)
    2.3 Other Publications.
    2.4 References for Extracts in Recommendations Sections.
    Chapter 3 Definitions
    3.1 General.
    3.2 NFPA Official Definitions.
    3.3 General Definitions.
    Chapter 4 Pre-Site Preparation
    4.1 Pre-Site Information.
    4.2 Used Equipment.
    4.3 Standard(s).
    4.4 Jurisdictional Notification.
    Chapter 5 Construction Inspection
    5.1 General.
    5.2 Electrical Code Considerations.
    5.3 Construction of Enclosures.
    5.4 Disconnecting Means.
    5.5 Main Overcurrent Protection Device (OCPD).
    5.6 Field Terminations.
    5.7 Components.
    5.8 Overcurrent Protection.
    5.9 Maintenance Receptacles and Lighting.
    5.10 Wiring.
    5.11 Markings.
    5.12 Grounding.
    5.13 Distances Between Exposed Energized Parts.
    Chapter 6 Electrical Testing
    6.1 Application.
    6.2 Electrical Tests.
    Chapter 7 Reporting and Documentation
    7.1 Report.
    7.2 Discrepancies and Nonconformities.
    7.3 Engineering Report Documentation.
    7.4 Summary.
    7.5 Conditions of Acceptability.
    7.6 Standards.
    7.7 Equipment Identification and Nameplate.
    7.8 Evaluation Procedures.
    7.9 Evaluation.
    7.10 Appendices or Attachments.
    Chapter 8 FEB Label
    8.1 Label Application.
    8.2 Label Contents.
    8.3 Label Location.
    8.4 Label Control.
    Annex A Explanatory Material
    Annex B Multiple Units of Same Equipment
    Annex C Informational References
  • Prior Editions

    2014 Edition

    Ensure electrical product safety by following NFPA 791: Recommended Practice and Procedures for Unlabeled Electrical Equipment Evaluation.

    NFPA 791: Recommended Practice and Procedures for Unlabeled Electrical Equipment Evaluation covers recommended procedures for evaluating unlabeled electrical equipment for compliance with nationally recognized standards.

    A companion to NFPA 790: Standard for Competency of Third-Party Field Evaluation Bodies, NFPA 791 addresses the process in a consistent and reliable manner, thereby facilitating acceptance of results.

    Now in its second edition, NFPA 791 provides Authorities Having Jurisdiction (AHJs) with industry approved recommended practices and procedures for:

    • Evaluating unlabeled electrical equipment
    • Determining the acceptability of evaluation results reported by recognized third-party evaluation bodies
    • Evaluating multiple units of the same equipment

    NFPA 791 is used to inform AHJs and provide recommended procedures for third-party field evaluation bodies (FEBs) to perform evaluations in a consistent and reliable manner. (Softbound, 11 pp., 2014)

     

    Interested in other editions of NFPA 791? Use the drop down menu above to select the edition year you need.

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