Electricity does not choose “the path of least resistance,” but flows on all paths presented to it. The flow divides among those paths in inverse proportion to their impedances (those paths with lower ...

According to the IEEE Buff Book, "A power cable must be protected from overheating due to excessive short-circuit current flowing in its conductor," which may damage or destroy the insulation. It also ...

Residual current circuit breakers (RCCB) play a narrow but important role in electrical protection. They are frequently specified, often misunderstood, and regularly credited with capabilities they ...