Circuit breakers

Performs the same function as a fuse, but needs only to be reset, not replaced.  These have now replaced the traditional fuses and are chosen and connected into a circuit in the same way. When the current flow in a circuit exceeds the rating of the breaker, it will simply trip, cutting off the electricity supply to that circuit, protecting it from damage. Once the fault has been cleared, the circuit breaker is reset, thus restoring the supply. They are located in the distribution box of the building and also in the utility supply meter box.  Every breaker should be clearly marked for faulty circuits to be easily identified and isolated (e.g. lights, plugs, geyser, stove). A circuit breaker is also a switch.

Information supplied by Buildaid Publishing.

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