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This standard provides uniformity of interpretation and application of electrical codes. It covers electrical conductors and equipment installed within or on building and structures, yards, parking lots, and other areas. It does not cover ships, rolling stock, aircraft, or other vehicles.
This standard has not been incorporated by reference (IBR) into the Code of Federal Regulations (CFR).
Standards are available for purchase from the American National Standards Institute (ANSI), see webstore.ansi.org, and from the National Fire Protection Association (NFPA), see catalog.nfpa.org.