--- title: What is Shaft Grounding? | AEGIS® Blog | Hazardous Locations description: Hazardous Locations | News and articles about AEGIS® Shaft Grounding Rings and other elements of electric motor reliability. --- [![Electro Static Technology](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/electro-static-technology.svg "Electro Static Technology")](https://www.est-aegis.com/) [![Aegis](https://blog.est-aegis.com/hubfs/raw_assets/public/public/images/Aegis.svg "Aegis")](https://www.est-aegis.com/) - [+1 866-738-1857](tel:+1%20866-738-1857) - [Products](https://www.est-aegis.com/products/) - [AEGIS® SGR – for motors under 500 HP/375 kW](https://www.est-aegis.com/product/sgr/) - [AEGIS® uKIT – for common NEMA/IEC frame size](https://www.est-aegis.com/product/sgr-ukit/) - [AEGIS® RPPR – for reactor recirculating pumps](https://www.est-aegis.com/rppr-resources/) - [AEGIS® EV and EVO Rings - for electric vehicles](https://www.est-aegis.com/product/ev-evo-rings/) - [AEGIS® PRO Series – for motors over 300 HP/225 kW](https://www.est-aegis.com/product/pro-series/) - [Shaft Voltage Testing and Accessories](https://www.est-aegis.com/product/mounting-accessories/) - [Online Product Catalog](https://catalog.est-aegis.com/) - [AEGIS® 2-Year Extended Warranty](https://www.est-aegis.com/product/extended-warranty/) - [Applications](https://www.est-aegis.com/applications/) - [Electric Vehicle Solutions](https://www.est-aegis.com/applications/electric-vehicle-solutions/) - [Food & Beverage](https://www.est-aegis.com/applications/food-beverage/) - [HVAC](https://www.est-aegis.com/applications/hvac/) - [Industrial & Chemical](https://www.est-aegis.com/applications/industrial-chemical/) - [Other Industries](https://www.est-aegis.com/applications/other-industries/) - [Power Generation & Renewable Energy](https://www.est-aegis.com/applications/power-generation-renewable-energy/) - [Transportation](https://www.est-aegis.com/applications/transportation/) - [Water Treatment](https://www.est-aegis.com/applications/water-treatment/) - [Bearing Protection](https://www.est-aegis.com/bearing-protection/) - [Shaft Voltage & Bearing Currents](https://www.est-aegis.com/bearing-protection/shaft-voltage-and-bearing-currents/) - [Fluting & Bearing Inspection](https://www.est-aegis.com/bearing-protection/fluting-and-bearing-inspection/) - [Best Practices & Installation](https://www.est-aegis.com/bearing-protection/best-practices-and-installation/) - [Resources](https://www.est-aegis.com/resources/) - [AEGIS® Bearing Protection Handbook](https://www.est-aegis.com/resources/handbook/) - [IEEE-841, Hazardous Locations, & AEGIS®](https://info.est-aegis.com/technical-codes-and-ieee-841-standards) - [Recorded Webinars Library](https://www.est-aegis.com/resources/recorded-webinars/) - [Installation Instructions](https://www.est-aegis.com/resources/installation-instructions/) - [Videos](https://www.est-aegis.com/resources/videos/) - [Technical Papers](https://www.est-aegis.com/resources/technical-papers/) - [Case Studies](https://www.est-aegis.com/resources/case-studies/) - [Specifying AEGIS®](https://www.est-aegis.com/resources/specifying-aegis/) - [Request Training](https://www.est-aegis.com/resources/training/) - [Product Sheets](https://www.est-aegis.com/resources/product-sheets/) - [About](https://www.est-aegis.com/about/) - [News](https://blog.est-aegis.com/) - [Tradeshows](https://www.est-aegis.com/about/tradeshows/) - [Blog](https://blog.est-aegis.com/) - [Where to Buy](https://www.est-aegis.com/where-to-buy/) - [Distributors](https://www.est-aegis.com/where-to-buy/distributors?type=Distributor) - [Trained Installers](https://www.est-aegis.com/where-to-buy/installers?type=Installer) - [Explosion Proof Installers](https://www.est-aegis.com/where-to-buy/installers?type=Explosion%20Proof%20Installer) - [Motors & Seals with AEGIS® Installed](https://www.est-aegis.com/where-to-buy/oems-with-aegis/) [Contact Us](https://www.est-aegis.com/contact/) - [+1 866-738-1857](tel:+1%20866-738-1857) ## Posts about Hazardous Locations:     [Home](https://www.est-aegis.com/) » Blog #   Blog [![WEG W22 Cast Iron Motor, certifiable for Class I Div 1 with AEGIS installed](https://blog.est-aegis.com/hs-fs/hubfs/W22-cast-iron_MKT_WMO_US_IMAGE_W22_NEMA_PREMIUM_254_326_B3RD_1200Wx1200H.jpg?width=365&name=W22-cast-iron_MKT_WMO_US_IMAGE_W22_NEMA_PREMIUM_254_326_B3RD_1200Wx1200H.jpg)](https://blog.est-aegis.com/electrical-bearing-protection-for-hazardous-duty-motors?hsLang=en-us) ## [Electrical Bearing Protection for Motors in Hazardous Locations](https://blog.est-aegis.com/electrical-bearing-protection-for-hazardous-duty-motors?hsLang=en-us) All electric motors controlled by variable frequency drives are at risk of electrical bearing... [Read More](https://blog.est-aegis.com/electrical-bearing-protection-for-hazardous-duty-motors?hsLang=en-us) [![ukit split](https://blog.est-aegis.com/hs-fs/hubfs/aegis-cheat-reduced.png?width=365&name=aegis-cheat-reduced.png)](https://blog.est-aegis.com/weg-class-i-div-2-motors-with-aegis?hsLang=en-us) ## [WEG Class I Division 2-certifiable Motors with AEGIS](https://blog.est-aegis.com/weg-class-i-div-2-motors-with-aegis?hsLang=en-us) Most motors controlled by variable frequency drives (VFDs) are subject to electrical bearing damage... [Read More](https://blog.est-aegis.com/weg-class-i-div-2-motors-with-aegis?hsLang=en-us) [![IEEE-841 motor](https://blog.est-aegis.com/hs-fs/hubfs/motor-ammonia_dreamstime_s_207228746.jpg?width=365&name=motor-ammonia_dreamstime_s_207228746.jpg)](https://blog.est-aegis.com/changing-standards-shaft-grounding-in-ieee-841-motors-hazardous-locations?hsLang=en-us) ## [Changing Standards: Shaft Grounding in IEEE-841 Motors & Hazardous Locations](https://blog.est-aegis.com/changing-standards-shaft-grounding-in-ieee-841-motors-hazardous-locations?hsLang=en-us) Shaft grounding for VFD-fed electric motors has largely been disallowed in "Classified"... [Read More](https://blog.est-aegis.com/changing-standards-shaft-grounding-in-ieee-841-motors-hazardous-locations?hsLang=en-us) [![explosion proof motors](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/WEGxp-300x174.png?width=365&name=WEGxp-300x174.png)](https://blog.est-aegis.com/weg-explosion-proof-motors-now-offer-an-aegis-option?hsLang=en-us) ## [WEG Explosion Proof Motors Now Offer an AEGIS Option](https://blog.est-aegis.com/weg-explosion-proof-motors-now-offer-an-aegis-option?hsLang=en-us) In less than sixty years, WEG Electric has grown from being a local Brazilian motor manufacturer to... [Read More](https://blog.est-aegis.com/weg-explosion-proof-motors-now-offer-an-aegis-option?hsLang=en-us) [![](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/xri-aeg-300x206.jpg?width=365&name=xri-aeg-300x206.jpg)](https://blog.est-aegis.com/explosion-proof-motors-with-aegis-shaft-grounding-rings?hsLang=en-us) ## [Explosion Proof Motors Available with AEGIS Shaft Grounding Rings](https://blog.est-aegis.com/explosion-proof-motors-with-aegis-shaft-grounding-rings?hsLang=en-us) Not just any off-the-shelf motor can safely run in a potentially explosive atmosphere. Explosion... [Read More](https://blog.est-aegis.com/explosion-proof-motors-with-aegis-shaft-grounding-rings?hsLang=en-us) [![Marathon XRI NEMA premium Explosion proof motor](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/XRI_motor-1-Marathon-Explosion-Proof.jpg?width=365&name=XRI_motor-1-Marathon-Explosion-Proof.jpg)](https://blog.est-aegis.com/marathon-explosion-proof-motors-available-aegis-rings-factory-installed?hsLang=en-us) ## [Marathon Explosion-Proof Motors Available with AEGIS Rings Factory-Installed](https://blog.est-aegis.com/marathon-explosion-proof-motors-available-aegis-rings-factory-installed?hsLang=en-us) Marathon Electric offers the industry-leading line of **Hazardous Duty™ Division 1 Explosion Proof,...** [Read More](https://blog.est-aegis.com/marathon-explosion-proof-motors-available-aegis-rings-factory-installed?hsLang=en-us) [![Detail of AEGIS Shaft Grounding Ring in XP motors](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/UL_Approved_for_AEGIS-002-300x273.jpg?width=365&name=UL_Approved_for_AEGIS-002-300x273.jpg)](https://blog.est-aegis.com/hazardous-environment-ul-approval-for-aegis-grounding-rings?hsLang=en-us) ## [UL Approval for AEGIS® Grounding Rings for Hazardous Environments](https://blog.est-aegis.com/hazardous-environment-ul-approval-for-aegis-grounding-rings?hsLang=en-us) Underwriters Laboratories (UL) has an approved set of procedures for installing AEGIS shaft... 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