For your safety 15
Division ratings
■
Use only Group D battery with Group D radios.
Use only Group A, B, C, D battery with Group A, B, C, D
radios.
■
Gas Class I and Dust Class II and Class III rated
accessories may be used with Gas Class I radios, but
the combination may only be used in a Gas Class I
hazardous (classified) location.
■
Division 2 rated radios and accessories may only be
used in Division 2 or Zone 2 hazardous (classified)
locations.
■
Division 2, Group A radios and accessories may be
used in Division 2, Group B, C, or D areas.
■
Any item approved to Group D will limit the radio sys-
tem to Group D areas. For use in a Group A area, all
items must be approved to Group A.
Temperature class
Different ambient temperature ranges apply for the T3
and T4 temperature classes. The item with the most
restrictive temperature range will determine the allowed
temperature range of the radio system. T4-rated radios
and accessories can be used in T3 areas, within the rules
stated above.
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