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Article 500 of the National Electrical Code

  • Ernest C. Magison
Chapter

Abstract

Articles 500–503 of the National Electrical Code constitute the fundamental reference document in the United States for installation of electrical equipment in hazardous locations. Article 500 defines the classification of hazardous areas in broad terms in accordance with the nature of the hazard and the degree of hazard. Subsequent articles stipulate specific requirements for equipment, and installation practices to be used in hazardous locations of a particular classification.

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References

  1. 1.
    1962 National Electrical Code, N.B.F.U. No. 70.Google Scholar
  2. 2.
    API RP-500, “Classification of Areas for Electrical Installations in Petroleum Refineries,” American Petroleum Institute, New York.Google Scholar
  3. 3.
    Simons, C.F.E., W.J. Kögeler, P.C.J. Bijl, “Safety of Electrical Instruments in the Oil Industry,” Institution of Electrical Engineers Paper No. 4001 M, November 1962. I. E. E. Conference Report Series No. 3.Google Scholar
  4. 4.
    ISA RP12.1, “Electrical Instruments in Hazardous Atmospheres,” Instrument Society of America, Pittsburgh.Google Scholar

Copyright information

© Springer Science+Business Media New York 1966

Authors and Affiliations

  • Ernest C. Magison
    • 1
  1. 1.Honeywell Inc.Fort WashingtonUSA

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