Technical Summary -- Classified Locations

From terminology to Temperature Codes, and from Explosion Protection Methods to Ingress Protection Codes, we have assembled a comprehensive summary of technical issues pertaining to U.S., Canadian, European and International IECEx System Hazardous Locations (Explosive Atmospheres).

Class I (Flammable Gases, Vapors or Liquids)

• Area Classification
• Gas Groups
• Temperature Codes
• Protection Methods and Standards

Class II (Combustible Dusts)

• Area Classification
• Dust Groups
• Temperature Codes
• Protection Methods and Standards

Class III (Ignitable Fibers and Flyings)

• Area Classification
• Groups
• Temperature Codes
• Protection Methods and Standards

Marking Comparison for Class I, II and III Equipment

• USA and Canadian Division markings
• USA and Canadian Division-based Zone markings
• USA, Canadian, European and IECEx IEC-based Zone markings

Environmental ratings for enclosures

• NEMA Types
• IP (Ingress Protection) Codes