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Standard

IEEE 303-2023

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Note: Now under development: IEEE 303-2023

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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.

Products specifications

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

Product Relations

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