Voltage Breaker Maintenance: How often is often enough?

“Electricity is really just organized lightning.”  George Carlin When I think of circuit breakers, I usually think of the circuit breakers in the panel in the basement at home.  They are relatively small (120 to 240 volts, 10 to 60 amps), and they’re for fairly simple circuits.  They supply power to my lights, outlets, refrigerator, [...]