For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Motors differ from other types of loads in one important way: The motor needs much more current to start than to run. This temporary, but significant, inrush current is what complicates motor circuit ...

The first question that you might ask is: How can all of the items above be ground? The answer is simple: None of them are. Ground is the one place in an electronic system that is a reference point ...

Across the entire sphere of electronics and electrical engineering, there aren’t many principles that are as fundamental as Ohm’s Law.  Named after the ...

Q. What are the rules in sizing equipment grounding conductors? A. Equipment grounding conductors (EGCs) of the wire type must be sized not smaller than shown in Table 250.122, based on the rating of ...