Tait TP9300 User Manual - page 14
14 For your safety
■
Gas Group IIC and Dust Group IIIC rated accessories
may be used with Gas Group IIC or IIA radios, but the
combination may only be used in a gas atmosphere.
■
Gas Group IIC rated radios and accessories may be
used in Gas Group IIB or IIA areas.
■
Zone 1 rated radios and accessories may be used in
Zone 2 areas.
■
Any item approved to Gas Group IIA will limit the
radio system to a Gas Group IIA area. For use in a
Gas Group IIC area, all items must be approved to
Gas Group IIC.
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.