A Hazardous Location is defined as a location where fire or explosion hazards may exist due to the presence of:
• Flammable gases or vapours
• Flammable liquids
• Combustible dusts
• Ignitable fibres or flyings
The information contained in this section is to be used only as a general reference. For detailed information concerning hazardous location definitions and installation requirements, refer to either 1) the 1999 National Electrical Code (NEC), Chapter 5 Articles 500 through 516, available from the National Fire Protection Association; or 2) the 1998 Canadian Electrical (CE) Code, Part 1 Section 18, available from the Canadian Standards Association.
