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 ...

100 amps: In an older home that has an electrical panel with only 60 to 80 amps, an upgrade may be needed to power a modern home; 100 amps is typically considered the minimum amount of amps a home ...