Grounding of Installed Modules
Original instructions
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General
The grounding of modules is crucial to avoid electric shock.
Module Grounding
Follow all local and national safety codes and standards.
DANGER
HAZARD OF ELECTRIC SHOCK
If you cannot prove that the end of a shielded cable is connected to the local ground, the cable must be considered as dangerous and personal protective equipment (PPE) must be worn.
Failure to follow these instructions will result in death or serious injury.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
Ensure ground connection contacts are present and not bent out of shape. If they are, do not use the module and contact your Schneider Electric representative.
Failure to follow these instructions will result in death or serious injury.
WARNING
UNINTENDED EQUIPMENT OPERATION
Check that the mounting screw is securely tightened to ensure the module is firmly attached to the rack.
Failure to follow these instructions can result in death, serious injury, or equipment damage.
The module is equipped with contact strips at the rear for grounding purposes: 
1
Mounting screw 
2
Contact strips 
3
Locating pins
When the module is correctly installed on the rack, the contact strips connect the grounding bus of the module to the grounding bus of the rack.