Each motor branch circuit must be protected against short circuit and ground faults by an overcurrent device sized no greater than the percentages listed in Table 430.52. A branch-circuit ...

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 ...

In solar PV systems, circuit breaker selection is something that is easily overlooked and time should be taken to select the correct solution. If the circuit breaker is not appropriate, it will cause ...

Double-tapped circuit breakers are one of the most common electrical defects that home inspectors find. Everyone seems to sign off on this defect as a 'big deal', but I'm here to tell you it's not. It ...