108 Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
750-464 2/4 AI RTD configurable
Manual
Version 1.0.1
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9.1.2
Marking for America according to NEC 500
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Figure 28: Side marking example for I/O modules according to NEC 500
Figure 29: Text detail – Marking example for approved I/O modules according to NEC 500
Table 89: Description of marking example for approved I/O modules according to NEC 500
Printing on Text
Description
CL I
Explosion protection group (condition of use
category)
DIV 2
Area of application
Grp. ABCD
Explosion group (gas group)
Op temp code T4
Temperature class
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