User Manual

WAGO-I/O-SYSTEM 750 Use in Hazardous Environments 31
750-1607 Field Side Connection 8+/8-
Manual
Version 1.0.2
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6.1.2 Marking for America according to NEC 500
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Figure 14: Side marking example for I/O modules according to NEC 500
Figure 15: Text detail – Marking example for I/O modules according to NEC 500
Table 10: Description of marking example for I/O modules according to NEC 500
Printing on Text Description
CL 1 Explosion protection group (condition of use
category)
DIV 2 Area of application (zone)
Grp. ABCD Explosion group (gas group)
Optemp code T4 Temperature class
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