دانلود کتاب Class/Division Hazardous Location

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Publication 800-WP003A-EN-P - October 2001. - p. 26.
Introduction
Basic Requirements for an Explosion
What is an explosion?
When will an explosion occur?
Flammable Substance
Oxidizer
Ignition Source
Where do explosions most frequently occur?
How is the explosion controlled?
Principles for Ensuring that Electrical Equipment Does Not Become a Source of Ignition
Design Regulations for Explosion-Proof Electrical Equipment
Definitions
Area Classification
Class Definition
Division Definition
Group Definition
Temperature Class Definition
Protection Methods
A. Confine the Explosion
B. Limit the Energy
C. Isolate the Hazard
Summary of Protection Methods
Marking
Execution to NEC/CEC Standards
Comparisons between the Class/Division vs. Zone System
Appendix A