2021 NFPA 54 Code Handbook - Current Edition
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  • Description

    Get up to speed with the latest provisions for installing gas piping and appliances, and for venting for gas appliances faster with the NFPA 54 Handbook.

    The National Fuel Gas Code is the authoritative document providing criteria for the safe use of gas-burning equipment in homes and buildings. The NFPA 54 Handbook, 2021 edition, provides the hows and whys behind fuel gas safety compliance to help increase your knowledge and ability to apply requirements in your work.

    A collaboration between the National Fire Protection Association® (NFPA®) and the American Gas Association (AGA), this vital safety publication offers guidance to and interpretation of an ever-changing code. You get the complete NFPA 54 text along with expert commentary providing a narrative interpretation that assists enforcers and users in getting current with the 2021 edition. The handbook also helps explain complex language and concepts to owners and employees who lack a technical background.

    Features of NFPA 54, National Fuel Gas Code Handbook include:

    • Insight from recognized subject-matter experts throughout that help you avoid errors and oversights
    • 200+ visual learning aids including color photos and informative graphics and charts
    • Summary of Technical Changes from the 2018 to the 2021 edition of NFPA 54
    • Code change indicators (shading = revisions, bullet points = deletions, “N” = new content)
    • “At a Glance” section outlining where to find pertinent Piping Design and Appliance content and tables in the Handbook
    • Annex A material from the back of the code merged into the appropriate position within the text to eliminate flipping pages
    • Calculation Worksheets, including blank versions that users can reproduce and use
    • Historical Perspectives and FAQ sections

    The 12th edition is revised for consistency with the National Fuel Gas Code, 2021 edition.

    Notable revisions to NFPA 54 include:

    • Added definition of engineering methods to provide users with requirements on what qualifies as an engineering method
    • Standardization of requirements for venting of pressure control devices, such as line pressure regulators, gas appliance regulators, and gas pressure limit controls to provide a singular reference for those installing such devices
    • New definition of point of delivery in Chapter 3 to provide more accurate enforcement of requirements that relate to the point of delivery
    • Included section on electrical isolation to specify dielectric fittings are to be installed on underground metallic piping at building penetrations but not underground to electrically isolate the house for corrosion purposes and keep the dielectric fitting accessible for maintenance
    • Revised through the wall vent terminal clearances to coordinate with applicable ANSI appliance standards as well as provide requirements for commonly encountered scenarios so that designers and builders can have one reference for vent terminal installation

    Help ensure you have the resources you need to implement the most current code requirements with confidence and accuracy.

    The NFPA 54 National Fuel Gas Code Handbook is a must-have for engineers, contractors, consultants, and anyone responsible for ensuring the safety and integrity of fuel gas installations. Be prepared for the modern challenges of helping to safeguard against fuel gas hazards by ordering your copy today.

  • Prior Edition

    Editor: Laura Moreno

    The 2018 edition NFPA 54 Handbook explains the "hows" and "whys" behind fuel gas safety compliance, so you are prepared to implement the latest Code.

    Fully updated and featuring a wealth of color visuals, NFPA's 2018 edition National Fuel Gas Code Handbook explains technical NFPA 54 requirements and fuel gas safety concepts -- so you can confidently answer questions from employees and owners, and verify that fuel gas piping, appliance, and venting jobs are in compliance. It's an essential tool for engineers, contractors, and consultants who need to ensure fuel gas jobs are done right the first time.

    Get to Know the Handbook


    This edition's handbook contributors are comprised of fuel gas safety experts.

    Expert commentary from recognized authorities in the field gives you the background, rationale, and practical tips you need for error-free design, installation, and inspection.

    The NFPA 54 Handbook combines Code rules with color visuals, updated commentary, new FAQs, and more! You'll save time with:

    • The complete 2018 edition NFPA 54/ANSI Z223.1: National Fuel Gas Code text for convenient reference
    • Shading and icons within the Code text, alerting you to changes to the 2018 edition of the Code
    • Commentary that helps you avoid errors and oversights -- including new commentary pertaining to arc-resistant jacketed or coated corrugated stainless steel tubing (CSST), changes to Schedule 10 piping and press-connect fitting allowances, and inspection of existing appliances when the building envelope has been modified
    • More than 200 visuals including color photos, graphics, and charts
    • Updated FAQs based on questions from the field that highlight vital aspects of gas safety you can't afford to overlook
    • A new National Fuel Gas Code 'At a Glance' feature, outlining where to find pertinent Piping Design and Appliance sections and tables in the Handbook
    • A supplement that summarizes research on CSST bonding related to lightning-related damage to fuel gas piping systems.
    • Other supplements including Fuel Gas Odorization and Procedure to Estimate Infiltration Rate for Residential Structures
    • Summary of Technical Changes from the 2015 to the 2018 edition of NFPA 54
    • Calculation Worksheets, including blank versions that users can reproduce and use

    Get the hands-on backup needed to complete jobs correctly and improve productivity.

    Published by NFPA, the Code source, the 2018 edition National Fuel Gas Code Handbook is a time-saving NFPA 54 companion for engineers, contractors, consultants, AHJs, designers, and architects. (Print, Approx. 576 pp., 2018)

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  • eForms Table of Contents (2018)
    • Calculating Pipe Size Using the Longest Length Method
    • Calculating Pipe Size Using the Branch Length Method
    • Sizing Combustion Air Using the Standard Method
    • Sizing Combustion Air Using the KAIR Method
    • Calculating the Size of Combustion Air Openings
    • Calculating the Size of Reduced Building Area Openings
    • Calculating Vent Size for Single Appliance
    • Calculating Vent Size for Two (or more) Appliances
  • Historical Editions

    Previous editions of NFPA® documents are available for sale. Please see applicable NFPA codes and standards product pages to confirm which editions are available for purchase. If you have any questions, contact NFPA Customer Support at 1-800-344-3555 or nfpa.org/customerservice.

  • Also in NFPA 54: National Fuel Gas Code