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IEEE 1349-2001

Historical Revision

IEEE Guide for Application of Electric Motors in Class I, Division 2 and Class I, Zone 2 Hazardous (Classified) Locations

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New IEEE Standard - Superseded. This guide was developed to assist individuals, organizations, and suppliers with the application of motors in Class I, Division 2 locations, where flammable gases and vapors may occasionally be present. Three-phase and single-phase ac synchronous and induction electric motors, fractional through very large sizes, are covered in this guide. Primary emphasis is on the use of general-purpose enclosures and precautions against excessive surface temperatures and sparking of rotor bars and enclosure joints. Results of motor surface temperature tests and calculations performed by Working Group Member companies are documented in the guide. Guidance is included for maintaining the life-cycle integrity of motors in Class I, Division 2 locations. Existing codes and standards contain cautionary notes for general-purpose motor applications in Class I, Division 2 areas. Industry experience and established practices are documented for the application of general-purpose motors in Class I, Division 2 locations and guidance is given for applying motors in these locations. This guide is not a specification and is not intended for use as a specification for purchasing motors installed in Division 2 locations.
AC Electric Motors in sizes from fractional horsepower up will be considered; primary emphasis will be on the use of general purpose enclosures and precautions against excessive surface temperatures and arcing/sparking of rotor bars and enclosure joints.
Existing codes and standards contain generalized caution notes but do not include definitive recommendations for application of general purpose motors in Class I Division 2 areas. This guide will document industry experience and established practices for the application of general purpose motors in Class I Division 2 areas.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 1349
Publication Date June 17, 2002
Language en - English
Page Count 80
Revision Level
Supercedes
Committee Petroleum and Chemical Industry
Publish Date Document Id Type View
Dec. 9, 2011 1349-2011 Revision
June 17, 2002 1349-2001 Revision