90 Use in Hazardous Environments
WAGO-I/O-SYSTEM 750
750-564 4AO U/I
Manual
Version 1.0.0
11.1.2 Marking for the United States of America (NEC) and Canada
(CEC)
Figure 32: Marking Example According to NEC
Figure 33: Text Detail – Marking Example According to NEC 500
Table 70: Description of Marking Example According to NEC 500
Marking
Description
CL I
Explosion protection (gas group)
DIV 2
Area of application
Grp. A B C D
Explosion group (gas group)
op temp code T4
Temperature class