Changing Standards: Shaft Grounding in IEEE-841 Motors & Hazardous Locations
Shaft grounding for VFD-fed electric motors has largely been disallowed in "Classified"...
Posts about Explosion Proof:
UL Approval for AEGIS® Grounding Rings for Hazardous Environments
Underwriters Laboratories (UL) has an approved set of procedures for installing AEGIS shaft...