When the lights finally flicker back after an outage, the instinct is to rush to the panel and flip everything on. That ...

Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

Brings unprecedented visibility into power consumption—and the ability to control it. Almost essential if you have a backup battery. 32-circuit limit means large homes won’t have perfect visibility.