--- title: What is Shaft Grounding? | AEGIS® Blog | Motors with AEGIS Installed description: Motors with AEGIS Installed | 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 Motors with AEGIS Installed:     [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) [![LEESON SyMAX motors](https://blog.est-aegis.com/hs-fs/hubfs/symax_p6.jpg?width=365&name=symax_p6.jpg)](https://blog.est-aegis.com/leeson-symax-with-aegis?hsLang=en-us) ## [LEESON SyMAX Motors with AEGIS Inside](https://blog.est-aegis.com/leeson-symax-with-aegis?hsLang=en-us) Permanent magnet AC (PMAC) motors have many advantages over AC induction motors, including higher... [Read More](https://blog.est-aegis.com/leeson-symax-with-aegis?hsLang=en-us) [![motors with AEGIS Rings installed](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/wty-motors.jpg?width=365&name=wty-motors.jpg)](https://blog.est-aegis.com/motors-with-aegis-rings-are-a-smart-investment?hsLang=en-us) ## [Why Motors with AEGIS Rings are a Smart Investment](https://blog.est-aegis.com/motors-with-aegis-rings-are-a-smart-investment?hsLang=en-us) Electric motors power everything from industrial machinery to HVAC systems, so their reliability... [Read More](https://blog.est-aegis.com/motors-with-aegis-rings-are-a-smart-investment?hsLang=en-us) [![AEGIS rings being installed on pump motors ](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/jpeg-1.jpeg?width=365&name=jpeg-1.jpeg)](https://blog.est-aegis.com/four-reasons-to-buy-motors-with-aegis-installed?hsLang=en-us) ## [Four Reasons to Buy Motors with AEGIS Installed](https://blog.est-aegis.com/four-reasons-to-buy-motors-with-aegis-installed?hsLang=en-us) [AEGIS® Shaft Grounding Rings](https://www.est-aegis.com/product/sgr/) offer essential protection against electrical bearing damage for... [Read More](https://blog.est-aegis.com/four-reasons-to-buy-motors-with-aegis-installed?hsLang=en-us) [![shaft grounding for generators ](https://blog.est-aegis.com/hs-fs/hubfs/pressfit-endcap.jpg?width=365&name=pressfit-endcap.jpg)](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-2?hsLang=en-us) ## [How to Choose a Shaft Grounding Ring - Part 2](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-2?hsLang=en-us) In[Part 1](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-1?hsLang=en-us)of this series on selecting an AEGIS Shaft Grounding Ring, we discussed solid vs. split... [Read More](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-2?hsLang=en-us) [![Comparison of 20 Year TCO](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/Motor-comparison-chart-253x300.png?width=365&name=Motor-comparison-chart-253x300.png)](https://blog.est-aegis.com/care-total-cost-owning-electric-motor?hsLang=en-us) ## [Why Should You Care About the Total Cost of Owning an Electric Motor?](https://blog.est-aegis.com/care-total-cost-owning-electric-motor?hsLang=en-us) Last month, we discussed Volume 3 of the 2021 MSMA report on potential savings through improved... [Read More](https://blog.est-aegis.com/care-total-cost-owning-electric-motor?hsLang=en-us) [![HOLLOSHAFT motors ](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/holloshaft.jpg?width=365&name=holloshaft.jpg)](https://blog.est-aegis.com/vertical-holloshaft-motors-with-aegis?hsLang=en-us) ## [Vertical HOLLOSHAFT Motors with AEGIS](https://blog.est-aegis.com/vertical-holloshaft-motors-with-aegis?hsLang=en-us) US Motors is a leader in the vertical hollow shaft motor market. Their HOLLOSHAFT® Motors are ideal... [Read More](https://blog.est-aegis.com/vertical-holloshaft-motors-with-aegis?hsLang=en-us) [![motor catalog](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/oem-aegis-collection-232x300.png?width=365&name=oem-aegis-collection-232x300.png)](https://blog.est-aegis.com/new-aegis-installed-motor-catalog?hsLang=en-us) ## [New AEGIS-Installed Motor Catalog](https://blog.est-aegis.com/new-aegis-installed-motor-catalog?hsLang=en-us) Over the past twenty years, variable frequency drives (VFDs) have been used to control more and... [Read More](https://blog.est-aegis.com/new-aegis-installed-motor-catalog?hsLang=en-us) [![George Westinghouse ](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/George_Westinghouse-203x300.jpg?width=365&name=George_Westinghouse-203x300.jpg)](https://blog.est-aegis.com/teco-westinghouse-motors-with-aegis-shaft-grounding?hsLang=en-us) ## [TECO-Westinghouse Motors with AEGIS Shaft Grounding](https://blog.est-aegis.com/teco-westinghouse-motors-with-aegis-shaft-grounding?hsLang=en-us) Westinghouse Electric is one of the best-known and longest-lived brands in the world. Westinghouse... 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