The National Standard Plumbing Code™ (NSPC)
The PHCC has maintained what is now known as the National Standard Plumbing Code™ (NSPC) since first publishing a standard plumbing code in 1933. By signing an agreement to move the NSPCunder the International Association of Plumbing and Mechanical Officials (IAPMO) umbrella, IAPMO and the PHCC ensure the code can progress for years to come.

Tional Zoning Code and International Code Council Performance Code. The I-Codes, including this International Plumbing Code, are used in a variety of ways in both the public and private sectors. Most industry professionals are familiar with the I-Codes as the basis of laws and regulations in communities across the U.S. And in other countries. Tional Zoning Code and International Code Council Performance Code. The I-Codes, including this International Plumbing Code, are used in a variety of ways in both the public and private sectors. Most industry professionals are familiar with the I-Codes as the basis of laws and regulations in communities across the U.S. And in other countries. The Plumbing Code 2018 (IPC 2018) is a model code produced by the International Code Council (ICC). This document provides the foundation for many state and city codes. The IPC 2018 combined with local jurisdiction amendments form the state codes.

Designed to ensure the proper installation of plumbing systems, the NSPC provides local and state governments, code administrative bodies, and industry with a modern code to protect public health and safety.

2018 International Residential Code® Code and Commentary, Volume 2 (IRC) 2018 International Plumbing Code and Commentary (IPC) 2018 International Property Maintenance Code and Commentary (IPMC). 2012 International Plumbing Code Commentary by International Code Council. Mastering code compliance has never been so easy The 2012 INTERNATIONAL PLUMBING CODE COMMENTARY will take readers on a journey through the newly updated 2012 International Plumbing Code (IPC), stopping along the way for insightful commentaries that explore both the rationale for, and the practical.

2018 National Standard Plumbing Code Illustrated provides the latest information about common materials, fixtures, devices and equipment systems used or installed in plumbing systems. It is compatible with codes used nationwide and follows the numerical sequence of ANSI A.40.8. The code contains many revisions that have been included to promote sustainable plumbing practice. Appendix G is intended to promote sustainable plumbing practice and has been updated with revised excerpts from the IAPMO Green Plumbing and Mechanical Code Supplement. Used in conjunction with PHCC’s Plumbing Apprentice Training Program, the guide’s illustrations and supplementary notes make it an indispensable training tool.

To keep the code current and viable and with input from all interested parties, the NSPC Committee — comprised of licensed contractors, engineers, and inspectors — reviews the code annually and updates it on a three-year cycle.

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If you are ordering from the following states, please contact your state bookstore to order:

Maryland:

Phone (410) 461-5977 or email phccmd@aol.com

New Jersey:

Phone (800) 652-7422 or email director@nj-phcc.org Best mac app for calculus free.

Have a Question

Email us at nspc@iapmo.org

NSPC Interpretation Inquiries

2015 International Plumbing Code Commentary Free

Informal
Doug Kirk, Technical Services Supervisor, doug.kirk@iapmo.org

Formal
Dan Cole, NSPC Secretary, dan.cole@iapmo.org

Online building codes are becoming widely available due to their convenience and the ability to keep them updated without having to issue addenda. A list of the FREE codes that we are aware of is included below. If you know of any that should be added to this list, please let us know.

A new startup called Up.codes offers free searchable versions of the iCodes, ADA codes, and NYC codes.

International Code Council

The International Code Council provides free code references for a number of states, plus free access to the International Codes. It is important to refer to the specific requirements for your local jurisdiction since many state and local agencies have modifications to the code.

The codes are updated every three years and the latest revision is the 2018 version. Keep in mind that your jurisdiction may not have adopted the most recent version of the ICC codes so an older version may apply to your project.

Don't see the International Code you need? Here is the full list of I-Codes so you can find what you are looking for.

Did you know that the iCodes are available for purchase on Amazon? We've added links below for the versions available for purchase. As an Amazon Associate Archtoolbox earns from qualifying purchases on this page.

International Building Code

International Building Code 2021 (buy on Amazon)
International Building Code 2018 (buy on Amazon)
International Building Code 2015 (buy on Amazon)
International Building Code 2012 (buy on Amazon)

International Residential (One and Two Family) Code

International Residential (One and Two Family) Code 2021 (buy on Amazon)
International Residential (One and Two Family) Code 2018 (buy on Amazon)
International Residential (One and Two Family) Code 2015 (buy on Amazon)
International Residential (One and Two Family) Code 2012 (buy on Amazon)

International Existing Building Code

International Existing Building Code 2021 (buy on Amazon)
International Existing Building Code 2018 (buy on Amazon)
International Existing Building Code 2015 (buy on Amazon)
International Existing Building Code 2012 (buy on Amazon)

International Energy Conservation Code

International Energy Conservation Code 2021 (buy on Amazon)
International Energy Conservation Code 2018 (buy on Amazon)
International Energy Conservation Code 2015 (buy on Amazon)
International Energy Conservation Code 2012 (buy on Amazon)

International Fire Code

International Fire Code 2021 (buy on Amazon)
International Fire Code 2018 (buy on Amazon)
International Fire Code 2015 (buy on Amazon)
International Fire Code 2012 (buy on Amazon)

International Plumbing Code

International Plumbing Code 2021 (buy on Amazon)
International Plumbing Code 2018 (buy on Amazon)
International Plumbing Code 2015 (buy on Amazon)
International Plumbing Code 2012 (buy on Amazon)

International Plumbing Code Free

International Mechanical Code

International Mechanical Code 2021 (buy on Amazon)
International Mechanical Code 2018 (buy on Amazon)
International Mechanical Code 2015 (buy on Amazon)
International Mechanical Code 2012 (buy on Amazon)

International Plumbing Code Commentary Free

ICC Code Commentaries

The International Code Council provides other versions of their code books, which include code commentaries to help professionals understand the intent of the code. These are incredibly helpful for understanding complex code issues. Unfortunately, the code commentary versions are not available for free online.

You can purchase the commentaries directly through the ICC website or you can usually find them on Amazon.

National Fire Protection Association (United States)

The NFPA is the world's leading advocate for fire prevention. They provide free access to the latest edition of their codes (registration is required). Below is a list of some of the most referenced codes for architects:

International Building Code

United States Access Board

The US Access Board is a federal agency that promotes equality for the disabled. They are responsible for maintaining the accessibility guidelines for public b