GIS bushing: 10 Things I Wish I'd Known Earlier
https://thepcatech.com/product/nexans-400sfr-plug-in-gis-bushing/
The Nexans Euromold 400SFR Plug-in GIS Bushing – Interface C2 is specially designed for medium voltage (MV) cable connections, ensuring safe, reliable, and touch-proof installations in power distribution networks.