3.1.2 Marking for America according to NEC 500
Figure 5: Side marking example for I/O modules according to NEC 500
Figure 6: Text detail – Marking example for I/O modules according to NEC 500
Table 3: Description of marking example for I/O modules according to NEC 500
Printing on Text
CL 1
DIV 2
Grp. ABCD
Optemp code T4
WAGO-I/O-SYSTEM 750
I/O Modules
Use in Hazardous Environments
Marking Configuration Examples
Description
Explosion protection group (condition of use
category)
Area of application (zone)
Explosion group (gas group)
Temperature class
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