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They stop electrical applications like washing machines from harming us if they malfunction.

Suppose something goes wrong and the live wire gets connected to the casing. You are now at risk from a fatal electric shock but the fuse stops this. Because the earthing wire is connected to the case and it offers little resistance energy surges down it. This overloads the fuse which melts thus breaking the circuit and protecting you.

Additional Answer

It should be noted that a fuse or circuit breaker is designed to protect a circuit against an over current. It is not designed to protect people!

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10y ago

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Circut Breaker


What can cause a circuit breaker to trip?

A circuit breaker can trip due to overloading, short circuits, or ground faults.


What can cause a circuit breaker to trip and how can it be prevented?

A circuit breaker can trip due to overloading, short circuits, or ground faults. To prevent tripping, avoid overloading circuits, regularly check for faulty wiring, and use surge protectors.


What would cause a circuit breaker to keep tripping?

A circuit breaker may keep tripping due to overloading, short circuits, or faulty wiring.


What are the common reasons for a circuit breaker disconnecting frequently?

Common reasons for a circuit breaker disconnecting frequently include overloading the circuit, short circuits, ground faults, and old or faulty wiring.


Why does the circuit breaker immediately trip when the power is turned on?

The circuit breaker immediately trips when the power is turned on to protect the electrical system from overloading or short circuits, which can cause damage or fires.


What are the common causes of a circuit breaker tripper and how can it be prevented?

Common causes of a circuit breaker tripping include overloaded circuits, short circuits, and ground faults. To prevent tripping, avoid overloading circuits, use surge protectors, and address any electrical issues promptly.


What could cause a breaker trip in a circuit and how can it be prevented?

A breaker can trip in a circuit due to overloading, short circuits, or ground faults. To prevent this, ensure the circuit is not overloaded, use the correct size breaker, and regularly inspect and maintain the electrical system.


Why does the circuit breaker trip randomly?

A circuit breaker may trip randomly due to overloading, short circuits, or faulty wiring. These issues can cause the circuit breaker to sense an abnormal flow of electricity and shut off to prevent damage or fire.


What is the function of the breaker for an electric range?

The function of the breaker for an electric range is to protect the appliance and the electrical circuit from overloading or short circuits by interrupting the flow of electricity when there is a problem.


What is the purpose of a range circuit breaker and how does it function to protect electrical circuits?

A range circuit breaker is designed to protect electrical circuits from overloading and short circuits. It functions by automatically cutting off the flow of electricity when it detects an abnormal increase in current, preventing damage to the circuit and reducing the risk of fire or electrical hazards.


What factors contribute to the tripping of a circuit breaker?

Factors that contribute to the tripping of a circuit breaker include overloading the circuit, short circuits, and ground faults. When the electrical current exceeds the safe limit or encounters a fault, the circuit breaker automatically trips to prevent damage or fire hazards.