Firstly, what is a circuit breaker? It is basically an electrical safety device intended to prevent damage being inflicted upon an electrical circuit as a result of overcurrent. The term ‘overcurrent’ refers to when an electrical current of a certain size is inadvertently run through an electrical circuit that was not designed to accommodate it. In the event of a short circuit ...
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HOW TO USE A CIRCUIT TESTER
A circuit tester is an important electrical testing tool that can be used in many different situations. This is why so many handymen own a circuit tester in NZ. If you haven't used this particular piece of equipment before, then here is a short guide on how to operate it. TESTING If, for example, you suspect you need to change a switch due to a grounding problem, then yo ...