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ISA S12.1 : 1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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DEFINITIONS AND INFORMATION PERTAINING TO ELECTRICAL INSTRUMENTS IN HAZARDOUS (CLASSIFIED) LOCATIONS
03-12-2013
12-01-2013
1. Purpose
2. Scope
3. Definitions
4. Area (location) classification
4.1 North American methods
4.2 European methods
4.3 Additional background information
5. Protection techniques for electrical apparatus in
hazardous (classified) locations
5.1 Explosion confinement
5.2 Isolation
5.3 Energy release limitation
5.4 Other methods of protection
5.5 Summary of protection techniques
6. Wiring methods for hazardous (classified) locations
6.1 Conduit system
6.2 Cable systems
6.3 Comparison of the installation systems
6.4 Comparisons of wiring methods
7. Grounding and bonding practices
8. Maintenance practices
Appendices
A. Acronyms
B. References
C. Listing of worldwide codes, guides, and standards
D. Listing of worldwide installation requirements
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