NFPA 70: National Electrical Code®
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What is NFPA 70?
NFPA 70: Document Scope
90.2 Scope. (A) Covered. This Code covers the installation of electrical conductors, equipment, and raceways; signaling and communications conductors, equipment, and raceways; and optical fiber cables and raceways for the following: (1) Public and private premises, including buildings, structures, mobile homes, recreational vehicles, and floating buildings (2) Yards, lots, parking lots, carnivals, and industrial substations (3) Installations of conductors and equipment that connect to the supply of electricity (4) Installations used by the electric utility, such as office buildings, warehouses, garages, machine shops, and recreational buildings, that are not an integral part of a generating plant, substation, or control center. (B) Not Covered. This Code does not cover the following: (1) Installations in ships, watercraft other than floating buildings, railway rolling stock, aircraft, or automotive vehicles other than mobile homes and recreational vehicles Informational Note: Although the scope of this Code indicates that the Code does not cover installations in ships, portions of this Code are incorporated by reference into Title 46, Code of Federal Regulations, Parts 110–113. (2) Installations underground in mines and self-propelled mobile surface mining machinery and its attendant electrical trailing cable (3) Installations of railways for generation, transformation, transmission, or distribution of power used exclusively for operation of rolling stock or installations used exclusively for signaling and communications purposes (4) Installations of communications equipment under the exclusive control of communications utilities located outdoors or in building spaces used exclusively for such installations (5) Installations under the exclusive control of an electric utility where such installations a. Consist of service drops or service laterals, and associated metering, or b. Are on property owned or leased by the electric utility for the purpose of communications, metering, generation, control, transformation, transmission, or distribution of electric energy, or c. Are located in legally established easements or rights-of-way, or d. Are located by other written agreements either designated by or recognized by public service commissions, utility commissions, or other regulatory agencies having jurisdiction for such installations. These written agreements shall be limited to installations for the purpose of communications, metering, generation, control, transformation, transmission, or distribution of electric energy where legally established easements or rights-of-way cannot be obtained. These installations shall be limited to federal lands, native American reservations through the U.S. Department of the Interior Bureau of Indian Affairs, military bases, lands controlled by port authorities and state agencies and departments, and lands owned by railroads. (C) Special Permission. The authority having jurisdiction for enforcing this Code may grant exception for the installation of conductors and equipment that are not under the exclusive control of the electric utilities and are used to connect the electric utility supply system to the service conductors of the premises served, provided such installations are outside a building or structure, or terminate inside nearest the point of entrance of the service conductors.
Adopted in all 50 states, the NEC is the benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards. Official document scope
What does NFPA 70 address?
The NEC addresses the installation of electrical conductors, equipment, and raceways; signaling and communications conductors, equipment, and raceways; and optical fiber cables and raceways in commercial, residential, and industrial occupancies.Table Of Contents.
NFPA 70, 2014 Edition: Archived Revision Information
Report on Proposals (ROP)
Report on Proposals (ROP)
Proposals can be submitted for text to be amended or included in NFPA Codes and Standards. Following the Call for Proposals period, the responsible Technical Committee or Panel holds a meeting to consider and act on all submitted proposals. The committee or panel may also develop its own proposals. A document known as the Report on Proposals (ROP) is prepared containing all the Public Proposals, Technical Committees' action on each Proposal, as well as all Committee-generated proposals. The ROP for the document in question is submitted for the approval of the responsible TC or Panel by a formal written ballot. If the ROP does not receive approval via written ballot in accordance with NFPA rules, the Report is returned to the committee for further consideration and is not published. If the necessary approval is received, the ROP is published in a compilation of Reports on Proposals issued by NFPA twice yearly for public review and comment, and the process continues to the next step. The ROP is published and widely distributed and anyone may download or request a copy.
To submit comments on the Report on Proposals (ROP), please use the form located under the Report on Comments (ROC) category below.
ROP Draft (PDF, 6 MB)
ROP Meeting Notice
ROP Meeting Notice
Note: Please contact the appropriate staff liaison (listed on the Technical Committee tab) for information on attending an NFPA Technical Committee meeting as a guest. Read NFPA"s Regulations Governing Committee Projects (Section 3.3.3.3) for further information.
National Electrical Code® Correlating Committee (NEC-AAC)
ROP Meeting Agenda
National Electrical Code® Correlating Committee (NEC-AAC)
ROP Meeting Minutes
National Electrical Code® Correlating Committee (NEC-AAC)
Code-Making Panel 1(NEC-P01)
Code-Making Panel 2(NEC-P02)
Code-Making Panel 3(NEC-P03)
ROP Ballot
ROP Ballot
The ballots posted on this page are for public information only. Voting on ballots is permitted by committee members only. See NFPA Regulations Governing Committee Projects, Section 3.3.4.
National Electrical Code® Correlating Committee (NEC-AAC)
Code-Making Panel 1(NEC-P01)
Ballot (PDF, 2 MB)
Ballot Form (PDF, 703 KB)
Report on Comments (ROC)
Report on Comments (ROC)
Once the ROP becomes available, there is a 60-day comment period during which time anyone may submit a public comment on the proposed changes documented in the ROP. The committee or panel reconvenes at the end of the comment period and acts on all public comments. This committee or panel may also develop its own comments. As before, approval obtained via written ballot in accordance with NFPA's Regulations is required on all committee and panel actions. All of this information is compiled into a second Report, called the Report on Comments (ROC), which like the ROP, is published and made available for public review for a seven-week period.
ROC Meeting Notice
ROC Meeting Notice
Note: Please contact the appropriate staff liaison (listed on the Technical Committee tab) for information on attending an NFPA Technical Committee meeting as a guest. Read NFPA"s Regulations Governing Committee Projects (Section 3.3.3.3) for further information.
National Electrical Code® Correlating Committee (NEC-AAC)
ROC Meeting Agenda
National Electrical Code® Correlating Committee (NEC-AAC)
ROC Meeting Minutes
National Electrical Code® Correlating Committee (NEC-AAC)
Code-Making Panel 1(NEC-P01)
Code-Making Panel 2(NEC-P02)
ROC Ballot
ROC Ballot
The ballots posted on this page are for public information only. Voting on ballots is permitted by committee members only. See NFPA Regulations Governing Committee Projects, Section 3.3.4.
National Electrical Code® Correlating Committee (NEC-AAC)
Code-Making Panel 1(NEC-P01)
Ballot (PDF, 683 KB)
Ballot Form (PDF, 397 KB)
Motions Committee Report (NITMAM)
Motions Committee Report (NITMAM)
Proposed NFPA documents will be presented for action at the applicable Annual (June) Association Technical Meeting only when proper Amending Motions (Notice of Intent to Make a Motion - NITMAM) have been certified by the Motions Committee of the Standards Council as a proper amending motion. Documents that receive no motions will not be presented at the meeting and instead will be forwarded directly to the NFPA Standards Council for action on issuance. More about the codes and standards making process including NITMAM.
Motions Committee Report (PDF, 158 KB)
Amendment Ballot
National Electrical Code® Correlating Committee (NEC-AAC)
Other Ballots
National Electrical Code® Correlating Committee (NEC-AAC)
TIA Ballot
National Electrical Code® Correlating Committee (NEC-AAC)
Ballot, TIA 1117 (PDF, 609 KB)
Ballot Final, TIA 1117 (PDF, 152 KB)
TIA 1096 Ballot (PDF, 206 KB)
TIA 1096 Circulation (PDF, 54 KB)
Association Technical Meeting
Transcript (PDF, 455 KB)
Final Results (PDF, 164 KB)
Standards Council Decisions
Archived revision information
NFPA 70, 2014 Edition: Archived Revision Information
View archived proposals, comments and other records related to the development of this edition.
Read the archived revision information
Tentative Interim Amendment (TIA)
Tentative Interim Amendment (TIA)
Tentative Interim Amendments (TIAs) are amendments to an NFPA document processed in accordance with Section 5 of the Regulations Governing Committee Projects. They have not gone through the entire codes and standards-making process of being published in a ROP and ROC for review and comment. TIAs are effective only between editions of the Document. A TIA automatically becomes a proposal of the proponent for the next edition of the Document, as such is then subject to all of the procedures of the codes and standards making process. TIAs are published in NFPA News , NFCSS, and any further distribution of the document after being issued by the Standards Council.

Requests for TIAs shall be clearly worded to provide the recommended revision and the reason as to why it is of an emergency nature requiring prompt action. Submissions shall be in writing, addressed to the Standards Council Secretary, NFPA, 1 Batterymarch Park, Quincy, MA 02169-7471. The submitter must also provide the appropriate endorsments in writing of two members of the applicable technical committee or technical correlating committee. For further information on submitting a TIA, please contact Codes and Standards Administration.

TIA 14-1, Reference: 516.3(A)(1)(a) and 516.10(A) (issued 8/1/2013) (PDF, 19 KB)
TIA 14-2, Reference: 445.20 (issued 10/22/2013) (PDF, 19 KB)
TIA 14-3, Reference: Table 820.154(a) (issued 3/3/2014) (PDF, 26 KB)
Errata
Errata
Errata are corrections issued to an NFPA document, published in NFPA News, the National Fire Codes Subscription Service (NFCSS), and included in any further distribution of the document.

For previously issued Erratas (not listed below), e-mail the NFPA Library, call +1 617 984-7445, or fax +1 617 984-7060.

Errata 70-14-1 (issued 9/16/2013) (PDF, 56 KB)
Errata 70-14-2 (issued 12/3/2013) (PDF, 32 KB)
Formal Interpretations (FIs)
Formal Interpretations (FIs)
Formal Interpretations (FIs) provide formal explanations of the meaning or intent of any specific provision or provisions of any document in accordance with Section 6 of the Regulations Governing Committee Projects.

Download a Formal Interpretation request form (doc, 58 KB).

For previously issued Formal Interpretations (not listed below), e-mail the NFPA Library, or call +1 617 984-7445, or fax +1 617 984-7060.

Formal Interpretations (PDF, 94 KB)
View the document online (read only)
Additional Information
NEC® Style Manual (PDF, 187 KB)
Articles and Reports

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