zone

Picklist Information
Details and background about this picklist.
Description
Synonyms
  • CFIHOS ID
    CFIHOS-50000116
Values
Values allowed by this picklist.
Class I, Division 1
  • Description: Class I, Division 1 as defined in ANSI/NFPA 70 NEC Article 500.5
  • Synonyms: CFIHOS-60001754
Class I, Division 2
  • Description: Class I, Division 2 as defined in ANSI/NFPA 70 NEC Article 500.5
  • Synonyms: CFIHOS-60001755
Class II, Division 1
  • Description: Class II, Division 1 as defined in ANSI/NFPA 70 NEC Article 500.5
  • Synonyms: CFIHOS-60001756
Class II, Division 2
  • Description: Class II, Division 2 as defined in ANSI/NFPA 70 NEC Article 500.5
  • Synonyms: CFIHOS-60001757
Class III, Division 1
  • Description: Class III, Division 1 as defined in ANSI/NFPA 70 NEC Article 500.5
  • Synonyms: CFIHOS-60001758
Class III, Division 2
  • Description: Class III, Division 2 as defined in ANSI/NFPA 70 NEC Article 500.5
  • Synonyms: CFIHOS-60001759
Non Hazardous
  • Description: Zone in which an explosive atmosphere is not expected to be present in quantities such as to require special precautions for the construction, installation and use of equipment.
  • Synonyms: CFIHOS-60000863
Zone 0
  • Description: An hazardous area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is present continuously or for long periods or frequently.
  • Synonyms: CFIHOS-60001396
Zone 1
  • Description: An hazardous area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is likely to occur in normal operation occasionally
  • Synonyms: CFIHOS-60001397
Zone 2
  • Description: An hazardous area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is not likely to occur in normal operation, but if it does occur, will persist for a short period only.
  • Synonyms: CFIHOS-60001398
Zone 20
  • Description: An hazardous area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of dust is present continuously or for long periods or frequently.
  • Synonyms: CFIHOS-60001760
Zone 21
  • Description: An hazardous area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of dust is likely to occur in normal operation occasionally
  • Synonyms: CFIHOS-60001761
Zone 22
  • Description: An hazardous area in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of dust is not likely to occur in normal operation, but if it does occur, will persist for a short period only.
  • Synonyms: CFIHOS-60001762
Properties
Properties that use this picklist.
  • Data Type: Text
  • Description: Specify the hazardous zone in which the functional or physical object is expected to operate