1 Foreword
Using the truck
Equipment is divided into groups I, II and III.
Division of equipment
Group
Description
I
Mining equipment (subterranean) endangered by exposure to pit gas/dust
II
Equipment in all other areas with gas explosion protection and dust explosion
protection outside of mining
III
Equipment in all other areas with dust explosion protection outside of mining
The following table refers only to equipment
in group II, which includes the explosion-
protected truck. Truck requirements depend
on the zone in which it is intended to be
operated.
Equipment in group II
Zone
Category
Description
0
20
II 1G
II 1D
Permanent, long-term or frequent dangerous explosive
atmosphere in the form of a flammable dust cloud
1
21
II 2G
II 2D
Occasional dangerous explosive atmosphere in the form
of a flammable dust cloud
2
22
II 3G
II 3D
Infrequent dangerous explosive atmosphere in the form
of a flammable dust cloud
Equipment in gr
oup II (gas) is divided in
accordance wit
h the characteristics of the
explosive atmo
sphere for which it is intended.
Equipment in group II (gas)
Group
Description
IIA
Propane
IIB
Ethylene
IIC
Hydrogen
Equipment in group III (dust) is divided in
accordance with the characteristics of the
explosive atmosphere for which it is intended.
Equipment in group II (dust)
Group
Description
IIIA Combustible lint
IIIB Non-conductive dust
IIIC Conductive dust
20 5
6368011531 EN - 06/2019 - 02
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