445-Generators
445.1 Scope. This article covers the installation of gen- erators.
445.10 Location. Generators shall be of a type suitable for the locations in which they are installed. They shall also meet the requirements for motors in 430.14.
National Electric Code
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513-Aircraft Hangars
513.1 Scope. This article shall apply to buildings or struc tures in any part of which aircraft containing Class I (flam mable) liquids or Class II (combustible) liquids whose temperatures are above their flash points are housed or stored and in which aircraft might undergo service, repairs, or alterations. It shall not apply to locations used exclusively for aircraft that have never contained fuel or unfueled aircraft.
553-Floating Buildings
I. General
Extra-hard usage portable power cable listed for both wet locations and sunlight resistance shall be permitted for a feeder to a floating building where flexibility is required. Other raceways suitable for the location shall be permitted to be installed where flexibility is not required.
FPN: See 555.1 and 555.13.
553.1 Scope. This article covers wiring, services, feeders, and grounding for floating buildings.
553.2 Definition.
665-Induction and Dielectric Heating Equipment
I. General
and wiring are designed and approved for the hazardous (classified) locations.
450-Transformers and Transformer Vaults
450.1 Scope. This article covers the installation of all transformers.
Exception No. 1: Current transformers.
Exception No. 2: Dry-type transformers that constitute a component part of other apparatus and comply with the requirements for such apparatus.
Exception No. 3: Transformers that are an integral part of an X-ray, high-frequency, or electrostatic-coating apparatus.
Exception No. 4: Transformers used with Class 2 and
514-Motor Fuel Dispensing Facilities
ARTICLE 514
Motor Fuel Dispensing Facilities
FPN: Rules that are followed by a reference in brackets contain text that has been extracted from NFPA 30A-2008, Code for Motor Fuel Dispensing Facilities and Repair Ga rages. Only editorial changes were made to the extracted text to make it consistent with this Code.
555-Marinas and Boatyards
555.1 Scope. This article covers the installation of wiring and equipment in the areas comprising fixed or floating piers, wharves, docks, and other areas in marinas, boat yards, boat basins, boathouses, yacht clubs, boat condominiums, docking facilities associated with residential condominiums, any multiple docking facility, or similar occupancies, and facilities that are used, or intended for use, for the purpose of repair, berthing, launching, storage, or fueling of small craft and the moorage of floating buildings.
668-Electrolytic Cells
668.1 Scope. The provisions of this article apply to the installation of the electrical components and accessory equipment of electrolytic cells, electrolytic cell lines, and process power supply for the production of aluminum, cadmium, chlorine, copper, fluorine, hydrogen peroxide, magnesium, sodium, sodium chlorate, and zinc.
Not covered by this article are cells used as a source of electric energy and for electroplating processes and cells used for the production of hydrogen.
455-Phase Converters
I. General
455.6 Conductors.
(A) Ampacity. The ampacity of the single-phase supply conductors shall be determined by 455.6(A)(1) or (A)(2).
FPN: Single-phase conductors sized to prevent a voltage drop not exceeding 3 percent from the source of supply to the phase converter may help ensure proper starting and operation of motor loads.
515-Bulk Storage Plants
FPN: Rules that are followed by a reference in brackets contain text that has been extracted from NFPA 30-2008, Flammable and Combustible Liquids Code. Only editorial changes were made to the extracted text to make it consis- tent with this Code.
tank vehicle and are stored or blended in bulk for the pur- pose of distributing such liquids by tank vessel, pipeline, tank car, tank vehicle, portable tank, or container. [30:3.3.32.1]
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