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NFPA NEC08CHG

2008 Edition, January 1, 2008

Complete Document

NEC Analysis of Changes

Includes all amendments and changes through Change/Amendment , 2008


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Superseded By: NFPA NEC11CHG

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Description / Abstract:

Preface

Changes to the National Electrical Code affect ail industries. As publisher of the code, NFPA is in a unique position to help users get up to speed on the new edition. To that end, we developed this guide to the major changes in the 1999 NEC. Our goal in developing this guide was to provide education for those whose success depends on their accurate and timely implementation of code requirements.

This changes guide brings a wealth of information together in one resource. The actual language of the code is provided, with changes highlighted. For easy cross-referencing, the relevant code page numbers are provided as well.The combination of five authors (representing over a century of code experience) results in a well-balanced perspective on the impact and application of code changes. For a complete guide to the features of this book, refer to the chart on pages viu and ix.

The criteria for selecting which changes to cover were considered carefully. The authors selected changes generated by new technologies; those with a major impact on the electrical industry; significant revisions to commonly used requirements; and those with widespread application. In addition, three broad areas of installation-residential, industrial, and commercial-were targeted. Even if a specific change does not apply directly to a code user’s situation, the discussion of it should be productive.

The question “Who writes the code?”is frequently asked. The safety mission of the NEC impacts millions of people and the document is used on a daily basis by a myriad of electrical professionals including engineers, designers, manufacturers, electricians, and inspectors. These are the people who write the code. Like all of the NFPA codes and standards, the NEC is produced through a consensus standards-making process that is open to all persons who use and are impacted by the document. Beginning as proposals, new requirements make their way through a system that provides for periods of public review, technical committee review and actions, voting by the association membership, and finally issuance by the NFPA Standards Council. The National Electrical Code Committee is composed of approximately four hundred volunteers serving on twenty codemaking panels and a technical correlating committee. These volunteers bring expertise from all facets of the electrical industry and the system is structured so that a balance of industry representation is provided on every panel.

Within the code text portions of this changes book, references are made to ROE ROC, and TCC. These acronyms represent Report on Proposals, Report on Comments, and Technical Correlating Committee. The reports contain the proposals or comments, respectively, the Code Making Panel action(s), and any actions by theTechnical Correlating Committee. We have provided these references as an invitation to readers to learn more about the code-making process by actually tracing the steps of a proposal that makes its way through the system and ultimately becomes a part of the i999 NEC. The documents are available in hard copy and also at the NFPA homepage. All proposals for change are required to be provided with the technical substantiation. The quality of the NEC represents hours of intensive work by the hundreds of volunteers and NFPA staff with one goal in mind: "The practical safeguarding of persons and property from hazards arising from the use of electricity." Information on the NFPA codes and standardsmaking process is available at the NFPA homepage at www.nfpa.org or by contacting us at 1-617-770-3000.

We hope that the users of this book will find it a helpful productivity tool. We welcome comments and suggestions and wish you weli with your use of the 1999 NEC.