It was noticed that small metal hairs or tendrils grew between metal solder pads causing short circuits.
en.wikipedia.org Substantial snubber circuits are added around the device to limit the rise of voltage at turn off.
en.wikipedia.org Advanced computer programs can simulate power system behavior, weather conditions, electronic circuits, chemical reactions, mechatronics, heat pumps, feedback control systems, atomic reactions, even biological processes.
en.wikipedia.org Mains electrical power circuits are generally grounded (earthed), so there will be a live (hot) wire, a neutral wire, and a ground wire.
en.wikipedia.org There are 57 circuits, which may have one or more judges, depending on the population and docket size.
en.wikipedia.org