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Electrical circuits
A “circuit,” is simply a circular journey that begins and ends at the same place. This is essentially how electricity works as electricity begins at a power source and then powers the appliance or device along the circuit and then returns to the power source. The interruption of this path is what creates a loss of power. The hot wire as it is called takes the electricity from the voltage source to the appliance or device and the neutral wire brings it back to the voltage source.
There are times though, that these circuits might suddenly take on more power than they can manage to send through the wires. And when these wires overheat, they tend to stop working or work in fits and starts - this is what we call a short circuit. This in turn can damage electrical appliances or at worst cause fires.
Circuit Breaker
The best way to avoid electrical short circuits is to install a circuit breaker. A circuit breaker protects your electrical circuits against excess currents or sporadic changes in voltage. As soon as the circuit breaker detects a fault in the flow of power, it shuts down your electrical circuits. Power supply can be resumed once the circuit breaker is turned back on.
Remember, circuit breakers are not without their own problems. If installed incorrectly they can damage the internal circuitry of your appliances and devices, cause explosions or even electrical fires. Therefore, always call a professional electrician to install circuit breakers in your home or work place.