Why do fuses protect us?

Updated: 9/17/2023
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14y ago

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Fuses have a maximum amount of energy that can pass through them, if there is a sudden excess of energy, they break and the circuit stops. Thus preventing any further damage to our household appliances etc..

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Q: Why do fuses protect us?
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Can parallel circuits be used instead of fuses?

No. Parallel circuits are not fuses. Fuses can be used to protect parallel circuits.

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How do fuses or circuit breakers help protect homes?

During an electrical fault, be it a short circuit or circuit overload, fuses and breakers are designed to open at a specific amperage. This opening of either device eliminates a fire hazard before it gets a chance to start. This is how fuses and breakers protect the home.

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Anyplace there is a need to protect the electrical wiring from an overload or short in the wiring.

How fuses and circuit breakers protect against electrocution and household fires?

Fuses and circuit breakers do not protect a person from electrocution. They are in the circuit to protect the feeder conductors from having over current applied to them. The only type of breaker that will protect you from getting a shock is a GFCI.The way that fuses and breakers stop household fires is by opening the fault current on the circuit before the fault temperature can rise high enough to ignite any surrounding combustible materials.

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