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Standard

IEEE 303-2023

Published

Note: This standard has a new edition: IEEE 303-2023

Corrigendums and amendments are bought separately.

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Abstract

Revision Standard - Active. This recommended practice applies to the application and installation procedures of auxiliary devices in or on electric rotating machines that are employed in hazardous locations classified as Class I, Division 2 and Zone 2 and Class II, Division 2 and Zone 22 under commonly used worldwide regulations. These regulations are: the National Electrical Code® (NEC®); the Canadian Electrical Code (CE Code); and combined practices of the International Electrotechnical Commission (IEC). Included is a list of source documents, definitions and nomenclature. Devices include terminal housings, heaters, surge protection, power factor correction capacitors, shaft bonding (shaft grounding), and enclosures. Special marking requirements are also discussed.

Document information

  • Standard from IEEE
  • Published:
  • Document type: IS
  • Pages
  • Publisher IEEE
  • Distributor IEEE
  • ICS 29.260.20
  • Technical Committee IEEE Industry Applications Society / Petroleum and Chemical Industry

Product Relations

  • Refers: IEEE 1349-2021
  • Refers: IEEE 1349-2021
  • Revises: IEEE 303-2004
  • Refers: UL 913, Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations.
  • Refers: CSA C22.1, Canadian Electrical Code, Part I, Safety Standard for Electrical Installations.
  • Refers: NFPA 496, Standard for Purged and Pressurized Enclosures for Electrical Equipment.
  • Refers: UL 60079-0, Standard for Explosive Atmospheres--Part 0: Equipment--General Requirements.
  • Refers: CSA C22.2 No. 0.4, Bonding of Electrical Equipment.
  • Refers: NFPA 70, National Electrical Code® (NEC®).
  • Refers: IEC 60079-1, Explosive atmospheres--Part 1--Equipment protection by flameproof enclosures “d”.
  • Refers: IEC 60079-0, Explosive atmospheres--Part 0--Equipment--General requirements.