GUIDE FOR THE APPLICATION OF ELECTRIC MOTORS IN CLASS 1, DIVISION 2 AND CLASS 1, ZONE 2 HAZARDOUS (CLASSIFIED) LOCATIONS
Institute of Electrical & Electronics Engineers
1. Overview
2. Normative references
3. Definitions, acronyms, and abbreviations
4. Phenomenon of a motor as a possible ignition source
5. Common applications
6. Uncommon application considerations
7. Operation and maintenance considerations
8. Preferred motor internal surface temperature test methods
Annex A (informative) Bibliography
Annex B (informative) Regulations and standards for motors
used in areas where flammable gases or vapors may
be present
Annex C (informative) - AIT and group designations for
Class I materials
Annex D (informative) - Motor enclosure types and protection
techniques
Annex E (informative) - Motor information tables
Annex F (informative) - Multisection motor inspection procedure
Annex G (informative) - Motor sparking considerations
Annex H (informative) - Surface temperature study results and
considerations
Annex I (informative) - Motor surface temperature test methods
and limitations
Annex J (informative) - Event history
Covers cautionary notes for open or nonexplosionproof or nonflameproof enclosed motors in Class I, Division 2 and Class I, Zone 2 locations as covered in the NEC. Contains industry experience and established practices and gives guidance for applying motors in these locations.
| Document Type | Standard |
| Status | Current |
| Publisher | Institute of Electrical & Electronics Engineers |
