How to does a circuit breaker works in steps?
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Explanation:

To understand how a differential switch works, you first need to know how an electrical circuit works. If we have a circuit where a current intensity enters, it travels through different loads that may be the electrical elements of the home, the intensity of the electric current coming out of the circuit is the same as the one I enter.

Intensity is lost if, for example, a person is electrocuted, as part of the circuit current is lost by ground. The differential switch compares through the magnetic fields produced, the current coming in and the current coming out of the circuit. Being magnetic fields produced by the same intensity but by currents with opposite direction, these are canceled. In the event that the intensities are different there is a result of magnetic field, which causes a knob that cuts the electrical circuit to move.

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