Dear James: There were two electrical house fires in my neighborhood this year, and both houses had circuit breakers. Please explain the differences between fuses, breakers, ground fault and arc fault ...

This is the second part of a two-part series on the methodologies used to find the short circuit current duties of circuit breakers and fuses. The first part, Short Circuit Current Duties of Circuit ...

Fuses and circuit breakers are ”safety valves” built into electrical circuits to protect the wiring against overheating because of an overload or a short circuit. If excessive current flowed through ...

It's only a circuit breaker. How hard could it be? A surprising number of engineers specify the wrong type of circuit breaker to protect their equipment. Engineers ...

This is the first of a two-part series on the processes used to find the short circuit current duties of circuit breakers and fuses. In Part 1, we’ll use a simplified power system to illustrate the ...