Control Drawings - Hazardous Area; Hazardous Area Classification (North American Class I, Division 2) - Honeywell CNI2 Operating And Installation Manual

CNI2 Operating and Installation Guide

CONTROL DRAWINGS - HAZARDOUS AREA

HAZARDOUS AREA CLASSIFICATION (NORTH AMERICAN CLASS I, DIVISION 2)

The CNI2 is approved for use in hazardous gas environments, Class I, Division 2, Group-D
(methane, propane, butane), temperature class T4. Equivalent ratings as defined by the NEC /
NFPA70 article 501 are Class I, Zone 2, Group IIA. Prior to installing equipment, always confirm
the safety ratings are appropriate by checking the label affixed to the product.
The NEC / NFPA-70 text provides important guidance for proper electrical wiring methods,
grounding, safety area classifications etc. Articles 500-505 are of particular relevance to
hazardous gas environments.
Control drawing 40-5084 defines the exact parameters related to all permissible inputs, outputs,
battery options, and site information. This drawing is also available in electronic PDF format free
of charge upon request. Contact your local Product Support Specialist for assistance.
NOTE: The hazardous ratings label affixed to the product should be relied upon as being the
most reliable source of information concerning approved ratings. This manual and similar texts
or brochures may be updated periodically to reflect new product improvements or additional
certifications that have been obtained.
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