Cautionary tale about mining, esp. during a thunderstorm. I had ~160amps of 240v miners online when a storm took out one leg of power. Apparently, the miner psus switched to 110v (at 320 amps) momentarily w/o tripping the main. It fried the 200amp meter & base: $400 repair (I got off cheap)
https://twitter.com/cyberhatter/status/1026097710515068928?s=12.