Yes, it's practical. They use liquid cooled cabling. Here's a 360 kW CCS charger: https://insideevs.com/news/583774/abb-installed-first-terra-360-chargers/ htt

Yes, it's practical. They use liquid cooled cabling. Here's a 360 kW CCS charger: https://insideevs.com/news/583774/abb-installed-first-terra-360-chargers/ https://insideevs.com/news/583774/abb-installed-first-terra-... Here's a 400 kW CCS charger: https://insideevs.com/news/375020/repsol-most-powerful-charging-station-europe/ https://insideevs.com/news/375020/repsol-most-powerful-charg... https://insideevs.com/news/432883/infineon-coolsic-power-modules-efficient-dc-chargers/ https://insideevs.com/news/432883/infineon-coolsic-power-mod...