eli5 : Circuit breakers and how they protect your electronics, from the theoretical aspect.

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I have some very basic understanding of current, voltage, resistance and that circuit breakers have fuses which blow if a current threshold is surpassed. But I don’t understand how putting multiple devices connected to your wall outlets, especially if they’re connected to the same fuse, would trigger this. Isn’t the voltage allocated to each circuit the same?

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5 Answers

Anonymous 0 Comments

When you plug something into an outlet, electrons flow from the negative side of the circuit to the positive side. This flow of electrons is called an electric current. Circuit breakers are designed to protect your electronics from damage caused by too much current flowing through the wires.

Circuit breakers work by interrupting the flow of electricity when they detect a potentially dangerous amount of current. They do this by using a metal strip that melts when it gets too hot. This strip is connected to a switch that pops open when the metal strip melts, breaking the connection and stopping the flow of electricity.

While circuit breakers can save your electronics from damage, they can also cause problems if they trip too often. If a circuit breaker trips frequently, it could be a sign that there is something wrong with your electrical system and you should have it checked out by a professional.

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