Per 2014 NEC Article 100, short circuit current rating (SCCR) is defined as: “The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected ...

In the definition above, we would correctly diagnose something as a short when a path connects between two points of differential voltage, such as common and hot on a 24V transformer, without first ...

Short circuits in the tracks, points or wiring are almost inevitable when building or operating a model railway. Although transformers for model systems must be protected against short circuits by ...