2008
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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]
590-Temporary Installations
590.1 Scope. The provisions of this article apply to tem- porary electric power and lighting installations.
590.2 All Wiring Installations.
(A) Other Articles. Except as specifically modified in this article, all other requirements of this Code for permanent wiring shall apply to temporary wiring installations.
669-Electroplating
669.1 Scope. The provisions of this article apply to the installation of the electrical components and accessory equipment that supply the power and controls for electroplating, anodizing, electropolishing, and electrostripping. For purposes of this article, the term electroplating shall be used to identify any or all of these processes.
460-Capacitors
460.1 Scope. This article covers the installation of capacitors on electrical circuits.
Surge capacitors or capacitors included as a component part of other apparatus and conforming with the requirements of such apparatus are excluded from these requirements.
This article also covers the installation of capacitors in hazardous (classified) locations as modified by Articles 501 through 503.
516-Spray Application, Dipping,and Coating Processes
ARTICLE 516
Spray Application, Dipping, and Coating Processes
FPN: Rules that are followed by a reference in brackets contain text that has been extracted from NFPA 33-
2007, Standard for Spray Application Using Flammable
and Combustible Materials, or NFPA 34-2007, Standard for Dipping and Coating Processes Using Flammable or Combustible Liquids. Only editorial changes were made to the extracted text to make it consistent with this
Code.
600-Electric Signs and Outline Lighting
I. General
600.1 Scope. This article covers the installation of conductors and equipment for electric signs and outline lighting. All installations and equipment using neon tubing, such as signs, decorative elements, skeleton tubing, or art forms, are covered by this article.
600.2 Definitions.
670-Industrial Machinery
670.1 Scope. This article covers the definition of, the nameplate data for, and the size and overcurrent protection of supply conductors to industrial machinery.
FPN No. 1: For further information, see NFPA 79-2007,
Electrical Standard for Industrial Machinery.
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