Class/Division Hazardous Location

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