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Overloaded circuit, short in circuit, or defective switch.

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โˆ™ 2005-02-15 11:01:49
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Q: What might cause a breaker to trip when switching on a light when resetting the breaker and checking the fuse doesn't restore power to one circuit?
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Is a switch a circuit breaker?

No. A circuit breaker is a switch, but a switch is not necessarily a circuit breaker. A "circuit breaker" is a device that will open the circuit when more current than it is designed for flows through the circuit. This is an automatic function, and does not require manual manipulation (such as a person physically moving an on/off switch). Resetting is often a manual function. <<>> If taken in the context of a switch opening a circuit or making a break in the circuit then the question, Is a switch a circuit breaker, then the answer would be, yes, as the switch does break the circuit.


What is the ACB circuit breaker?

The letters ACB stand for Air Circuit Breaker. These types of circuit breakers are used for high voltage switching. The breakers are usually enclosed in steel switch gear enclosures that are situated in electrical service vaults.


What are advantages of circuit breakers over fuses?

Circuit breakers are resettable whereas fuses must be replaced. In addition, there is very little risk of shock when resetting a circuit breaker (at line voltages). +++ Even less risk of shock if you replace the fuse or re-set the circuit-breaker, properly...


Why might a circuit breaker not stay on?

There are two main reasons that a breaker might not reset. One is mechanical failure in the breaker itself. If this is the case the breaker has to be replaced. The other reason that the breaker might not reset is that the breaker is doing its job and still senses an overload when the breaker is switched back on after an overload trip.To check the breaker as to which fault is occurring disconnect the load conductor from the breaker. Try resetting the breaker. If it will not reset then it is a mechanical fault. If the breaker resets with the load conductor off then shut the breaker off, reconnect the load conductor and turn the circuit back on.If it trips this time then there is a fault in the circuit and it has to be located and repaired before the circuit is put back into service. You might need an electrician to troubleshoot the circuit depending on what equipment the circuit controls.


Is the main circuit breaker is a sum of the sub circuit breaker?

no main circuit breker =circuit breaker

Related questions

How do you reset the headlamp circuit breaker on a 1998 dodge ram?

The breaker is self resetting.


How do you reset the power window circuit breaker on a 2003 Chrysler town and country?

The breaker is self resetting.


How do you reset Self resetting circuit breaker 2004 dodge caravan?

A self resetting breaker will reset itself once the short is removed, repaired, If it will not reset the breaker has failed or the short is still present.


What part in an electric circuit opens and closes the circuit?

A switch, switching transistor, or circuit breaker usually does.


The primary switching center is a high-volatge switch and?

circuit breaker


How do you reset the breaker for the dome lights on a 2001 Dodge Ram 1500?

The circuit breaker is self resetting. you may have a short in the wiring.


Why do the headlights of a 1991 ford explorer go off and on when turned on?

The headlight circuit is protected by a self-resetting circuit breaker. Something in the circuit is drawing too much power and the breaker is cycling on and off.


Will a short circuit cause smoke detectors to beep after resetting the circuit breaker?

If your smoke detector is bleeping you have a serious risk of fire and the circuit breaker must not be reset until the fault that caused it to trip is investigated.


Why do my 1995 Jeep Forester lights keep shutting off?

Short in system? Circuit breaker is resetting?


Is a switch a circuit breaker?

No. A circuit breaker is a switch, but a switch is not necessarily a circuit breaker. A "circuit breaker" is a device that will open the circuit when more current than it is designed for flows through the circuit. This is an automatic function, and does not require manual manipulation (such as a person physically moving an on/off switch). Resetting is often a manual function. <<>> If taken in the context of a switch opening a circuit or making a break in the circuit then the question, Is a switch a circuit breaker, then the answer would be, yes, as the switch does break the circuit.


What is a Circuit breaker and explain type circuit breakers?

A circuit breaker is a switching device which can make,brake and carrying (or trip the circuit) that specified over currents for a small interval of time . There is a different types of Circuit Breaker's are there 1.According to their arc quenching media these are divided into 4 types a) Oil circuit breaker b) Air blast circuit breaker c) SF6 circuit breaker d) vacuum circuit breaker 2. According to their services the circuit breaker can be divided as a) Outdoor Circuit Breaker b) Indoor Breaker 3. According to the operating mechanism of circuit breaker they can be divided as a) Spring operated Circuit Breaker b) Pneumatic Circuit Breaker c) Hydrolic Circuit Breaker 4. According to the voltage level of installation these are divided into 3 types a) High Voltage Circuit Breaker b) Medium Voltage Circuit Breaker c) Low Voltage Circuit Breaker.


How do you replace the fuse for power windows on a Chevrolet Impala?

Power windows are protected by an automatic resetting circuit breaker.

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