Siemens SIMATIC PC Adapter TS Adapter Quick Reference Manual page 26

PC/TS Adapter
FM Approval
FM approval to Factory Mutual Approval Standard 3611.
Warning
!
Personal injury or property damage can result.
In hazardous areas, personal injury or property
damage can result if you close or disconnect an
electrical circuit during operation (e.g. plug-in
connections, fuses, switches).
Do not close or disconnect any live circuits
unless explosion hazards can be definitely
excluded.
Warning
!
WARNING - DO NOT DISCONNECT WHILE
CIRCUIT IS LIVE
UNLESS LOCATION IS KNOWN TO BE
NON-HAZARDOUS
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Quick Reference Guide
PC/TS Adapter
A5E00078070-02