--- title: What is Shaft Grounding? | AEGIS® Blog | AEGIS (2) description: News and articles about AEGIS® Shaft Grounding Rings and other elements of electric motor reliability. (2) --- [![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 by AEGIS:     [Home](https://www.est-aegis.com/) » Blog # Blog [![motor](https://blog.est-aegis.com/hs-fs/hubfs/Eyecatcher-EST.webp?width=365&name=Eyecatcher-EST.webp)](https://blog.est-aegis.com/why-motors-experience-bearing-damage-with-vfds-aegis?hsLang=en-us) ## [Why Do Motors Experience Electrical Bearing Damage with VFDs?](https://blog.est-aegis.com/why-motors-experience-bearing-damage-with-vfds-aegis?hsLang=en-us) In today’s manufacturing environment, Variable Frequency Drives (VFDs) are standard tools for... [Read More](https://blog.est-aegis.com/why-motors-experience-bearing-damage-with-vfds-aegis?hsLang=en-us) [![plant floor](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/plant-floor.jpg?width=365&name=plant-floor.jpg)](https://blog.est-aegis.com/prevent-bearing-damage-in-manufacturing-vfd-motors?hsLang=en-us) ## [Best Practices for Electrical Bearing Protection in Manufacturing](https://blog.est-aegis.com/prevent-bearing-damage-in-manufacturing-vfd-motors?hsLang=en-us) Variable Frequency Drives (VFDs) are now standard equipment in manufacturing facilities, where... [Read More](https://blog.est-aegis.com/prevent-bearing-damage-in-manufacturing-vfd-motors?hsLang=en-us) [![](https://blog.est-aegis.com/hs-fs/hubfs/AdobeStock_221869536.jpeg?width=365&name=AdobeStock_221869536.jpeg)](https://blog.est-aegis.com/shaft-grounding-for-vfd-pumps-prevent-bearing-damage?hsLang=en-us) ## [Protecting Pump Systems from Electrical Bearing Damage](https://blog.est-aegis.com/shaft-grounding-for-vfd-pumps-prevent-bearing-damage?hsLang=en-us) Variable Frequency Drives (VFDs) enable pump users to control motor speed, improve process control,... [Read More](https://blog.est-aegis.com/shaft-grounding-for-vfd-pumps-prevent-bearing-damage?hsLang=en-us) [![spark gap transmitters](https://blog.est-aegis.com/hs-fs/hubfs/spark_emit.png?width=365&name=spark_emit.png)](https://blog.est-aegis.com/detecting-bearing-current-other-methods?hsLang=en-us) ## [Detecting Bearing Current: Other Methods](https://blog.est-aegis.com/detecting-bearing-current-other-methods?hsLang=en-us) In our last post, we looked at how shaft voltage testing can be used to detect stray current arcing... [Read More](https://blog.est-aegis.com/detecting-bearing-current-other-methods?hsLang=en-us) [![Bearing current chart](https://blog.est-aegis.com/hs-fs/hubfs/cmv-vs-disch-2us.png?width=365&name=cmv-vs-disch-2us.png)](https://blog.est-aegis.com/detecting-bearing-current-with-shaft-voltage-testing?hsLang=en-us) ## [Detecting Bearing Current with Shaft Voltage Testing](https://blog.est-aegis.com/detecting-bearing-current-with-shaft-voltage-testing?hsLang=en-us) Electric motors controlled by drives are at risk of destructive bearing currents causing premature... [Read More](https://blog.est-aegis.com/detecting-bearing-current-with-shaft-voltage-testing?hsLang=en-us) [![Port crane](https://blog.est-aegis.com/hs-fs/hubfs/AdobeStock_469356507.jpeg?width=365&name=AdobeStock_469356507.jpeg)](https://blog.est-aegis.com/prevent-motor-failures-with-advanced-shaft-grounding-rings?hsLang=en-us) ## [Shaft Grounding for Overhead Cranes](https://blog.est-aegis.com/prevent-motor-failures-with-advanced-shaft-grounding-rings?hsLang=en-us) Overhead cranes play a significant role in shipping and manufacturing, handling massive loads with... [Read More](https://blog.est-aegis.com/prevent-motor-failures-with-advanced-shaft-grounding-rings?hsLang=en-us) [![best practice](https://blog.est-aegis.com/hs-fs/hubfs/best-practice-simp.png?width=365&name=best-practice-simp.png)](https://blog.est-aegis.com/prevent-bearing-failure-with-shaft-grounding-rings-protect-electric-motors?hsLang=en-us) ## [Why Use Shaft Grounding Rings on Electric Motors?](https://blog.est-aegis.com/prevent-bearing-failure-with-shaft-grounding-rings-protect-electric-motors?hsLang=en-us) Electric motors are the heartbeat of many industries. From manufacturing plants to office... [Read More](https://blog.est-aegis.com/prevent-bearing-failure-with-shaft-grounding-rings-protect-electric-motors?hsLang=en-us) [![proring collection ](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/AEGIS-PRO-ring-collection-300x200.jpg?width=365&name=AEGIS-PRO-ring-collection-300x200.jpg)](https://blog.est-aegis.com/aegis-pro-rings-advanced-motor-bearing-protection-solutions?hsLang=en-us) ## [Maximizing Bearing Protection with AEGIS PRO Rings](https://blog.est-aegis.com/aegis-pro-rings-advanced-motor-bearing-protection-solutions?hsLang=en-us) Electric motors are the backbone of many industrial operations. When they fail, the repercussions... [Read More](https://blog.est-aegis.com/aegis-pro-rings-advanced-motor-bearing-protection-solutions?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... 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