--- title: What is Shaft Grounding? | AEGIS® Blog (7) description: News and articles about AEGIS® Shaft Grounding Rings and other elements of electric motor reliability. (7) --- [![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)     [Home](https://www.est-aegis.com/) » Blog #   Blog [![slit u kit](https://blog.est-aegis.com/hs-fs/hubfs/uKIT-Split.jpg?width=365&name=uKIT-Split.jpg)](https://blog.est-aegis.com/harmonics-and-bearing-currents?hsLang=en-us) ## [On the Other Side of the Drive: Harmonics and Bearing Currents](https://blog.est-aegis.com/harmonics-and-bearing-currents?hsLang=en-us) An attendee at a recent webinar asked us about electrical bearing damage by harmonic currents... [Read More](https://blog.est-aegis.com/harmonics-and-bearing-currents?hsLang=en-us) [![three types of bearing current ](https://blog.est-aegis.com/hs-fs/hubfs/best-practice.png?width=365&name=best-practice.png)](https://blog.est-aegis.com/three-types-of-bearing-current-mitigation?hsLang=en-us) ## [Three Types of Bearing Current: Mitigation](https://blog.est-aegis.com/three-types-of-bearing-current-mitigation?hsLang=en-us) [Read More](https://blog.est-aegis.com/three-types-of-bearing-current-mitigation?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) [![bearing current](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/phase-vi-300x217-1.png?width=365&name=phase-vi-300x217-1.png)](https://blog.est-aegis.com/three-types-of-bearing-current?hsLang=en-us) ## [Three Types of Bearing Current: Causes](https://blog.est-aegis.com/three-types-of-bearing-current?hsLang=en-us) [Read More](https://blog.est-aegis.com/three-types-of-bearing-current?hsLang=en-us) [![bearing fluting](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/fluting-598-300x160-1.gif?width=365&name=fluting-598-300x160-1.gif)](https://blog.est-aegis.com/aegis-in-wind-turbine-generators?hsLang=en-us) ## [AEGIS Shaft Grounding in Wind Turbine Generators](https://blog.est-aegis.com/aegis-in-wind-turbine-generators?hsLang=en-us) Along with solar power, wind power is the fastest-growing [renewable energy source](https://www.est-aegis.com/applications/power-generation-renewable-energy/). Wind turbine... [Read More](https://blog.est-aegis.com/aegis-in-wind-turbine-generators?hsLang=en-us) [![generator gearbox](https://blog.est-aegis.com/hs-fs/hubfs/Imported_Blog_Media/ship-gear-300x237.png?width=365&name=ship-gear-300x237.png)](https://blog.est-aegis.com/aegis-shaft-grounding-protects-generator-gearboxes?hsLang=en-us) ## [AEGIS Shaft Grounding Protects Generator Gearboxes](https://blog.est-aegis.com/aegis-shaft-grounding-protects-generator-gearboxes?hsLang=en-us) *Updated: February 2024* People usually have AC motors in mind when talking about shaft grounding.... [Read More](https://blog.est-aegis.com/aegis-shaft-grounding-protects-generator-gearboxes?hsLang=en-us) [![slit u kit](https://blog.est-aegis.com/hs-fs/hubfs/uKIT-Split.jpg?width=365&name=uKIT-Split.jpg)](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-3?hsLang=en-us) ## [How to Choose a Shaft Grounding Ring - Part 3](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-3?hsLang=en-us) So far, we have covered [clamp-on and conductive epoxy mounting](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-1?hsLang=en-us) for external installation and... [Read More](https://blog.est-aegis.com/how-to-choose-an-aegis-ring-part-3?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) [![shaft grounding for generators ](https://blog.est-aegis.com/hs-fs/hubfs/rail-cs.png?width=365&name=rail-cs.png)](https://blog.est-aegis.com/shaft-grounding-improves-electric-rail-reliability?hsLang=en-us) ## [Shaft Grounding Improves Electric Rail Reliability](https://blog.est-aegis.com/shaft-grounding-improves-electric-rail-reliability?hsLang=en-us) Like other[electric vehicles](https://www.est-aegis.com/applications/electric-vehicle-solutions/), electric trains offer [significant benefits](https://www.eesi.org/articles/view/electrification-of-u.s.-railways-pie-in-the-sky-or-realistic-goal) over petroleum-powered... 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