Description: Flammable gas, flammable liquid-produced vapour, or combustible liquid-produced vapour mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value less than or equal to 0.45 mm or a minimum igniting current ratio (MIC ratio) less than or equal to 0.40
Synonyms: CFIHOS-60001764
C
Description: Flammable gas, flammable liquid-produced vapour, or combustible liquid-produced vapour mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value greater than 0.45 mm and less than or equal to 0.75 mm, or a minimum igniting current ratio (MIC ratio) greater than 0.40 and less than or equal to 0.80.
Synonyms: CFIHOS-60001765
D
Description: Flammable gas, flammable liquid-produced vapour, or combustible liquid-produced vapour mixed with air safe gap (MESG) value greater than 0.75 mm or a minimum igniting current (MIC) ratio greater than 0.80.
Synonyms: CFIHOS-60001766
E
Description: Atmospheres containing combustible metal dusts, including aluminium, magnesium, and their commercial alloys, or other combustible dusts whose particle size, abrasiveness, and conductivity present similar hazards in the use of electrical equipment.
Synonyms: CFIHOS-60001767
F
Description: Atmospheres containing combustible carbonaceous dusts that have more than 8 percent total entrapped volatiles (see ASTM D3175-11, Standard Test Method for Volatile Matter in the Analysis Sample for Coal and Coke, for coal and coke dusts) or that have been sensitized by other materials so that they present an explosion hazard.
Synonyms: CFIHOS-60001768
G
Description: Atmospheres containing combustible dusts not included in Group E or Group F, including flour, grain, wood, plastic, and chemicals.
Synonyms: CFIHOS-60001769
Value
Description
Synonyms
A
Acetylene
CFIHOS-60001763
B
Flammable gas, flammable liquid-produced vapour, or combustible liquid-produced vapour mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value less than or equal to 0.45 mm or a minimum igniting current ratio (MIC ratio) less than or equal to 0.40
CFIHOS-60001764
C
Flammable gas, flammable liquid-produced vapour, or combustible liquid-produced vapour mixed with air that may burn or explode, having either a maximum experimental safe gap (MESG) value greater than 0.45 mm and less than or equal to 0.75 mm, or a minimum igniting current ratio (MIC ratio) greater than 0.40 and less than or equal to 0.80.
CFIHOS-60001765
D
Flammable gas, flammable liquid-produced vapour, or combustible liquid-produced vapour mixed with air safe gap (MESG) value greater than 0.75 mm or a minimum igniting current (MIC) ratio greater than 0.80.
CFIHOS-60001766
E
Atmospheres containing combustible metal dusts, including aluminium, magnesium, and their commercial alloys, or other combustible dusts whose particle size, abrasiveness, and conductivity present similar hazards in the use of electrical equipment.
CFIHOS-60001767
F
Atmospheres containing combustible carbonaceous dusts that have more than 8 percent total entrapped volatiles (see ASTM D3175-11, Standard Test Method for Volatile Matter in the Analysis Sample for Coal and Coke, for coal and coke dusts) or that have been sensitized by other materials so that they present an explosion hazard.
CFIHOS-60001768
G
Atmospheres containing combustible dusts not included in Group E or Group F, including flour, grain, wood, plastic, and chemicals.
Description: Specify for purposes of testing, approval, and area classification, various air mixtures (not oxygen-enriched) grouped in accordance with 5006(A) and (B)
Specify for purposes of testing, approval, and area classification, various air mixtures (not oxygen-enriched) grouped in accordance with 5006(A) and (B)
