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IEEE 303-1969

Historical Revision

IEEE Recommended Practice for Auxiliary Devices for Motors in Class I,- Groups A, B, C, and D, Division 2 Locations

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- Superseded.
The scope of this Recommended Practice is limited to auxiliary devices associated with motors operating in Division 2 areas, classified as Class I, Groups A, B, C, and D locations. This Recommended Practice is not an attempt to rewrite or otherwise supersede applicable sections of the National Electrical Code (NEC) or any other codes or ordinances. It is intended, rather, to serve as a supplement to existing codes that in this area are not sufficiently specific to serve as a guide to good engineering practice. The guidance contained herein, therefore, is in addition to the NEC requirements for wiring systems for hazardous areas
The following information is intended to bring together a brief description of basic electrical practices in regard to the application and installation of auxiliary devices to motors operating in Class I, Groups A, B, C, and D, Division 2 areas. It shall be understood that this information is only a guide to promote consistent application of such devices but must be used with sound engineering judgment.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 303
Publication Date June 30, 1969
Language en - English
Page Count 6
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Feb. 21, 2024 303-2023 Revision
Dec. 17, 2004 303-2004 Revision
Oct. 24, 1991 303-1991 Revision
June 13, 1984 303-1984 Revision
June 30, 1969 303-1969 Revision