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NFPA 493

78th Edition, November 14, 1978

Complete Document

STANDARD FOR INTRINSICALLY SAFE APPARATUS AND ASSOCIATED APPARATUS FOR USE IN CLASS I, II, AND III, DIVISION 1 HAZARDOUS LOCATIONS (WITHDRAWN)

Includes all amendments and changes through Errata , 1979


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W/D NO S/S * SEE ALSO UL 913
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Product Details:

  • Revision: 78th Edition, November 14, 1978
  • Published Date: January 1979
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: National Fire Protection Association (NFPA)
  • Page Count: 26
  • ANSI Approved: No
  • DoD Adopted: No

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