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Could be a fault with the air conditioner, or the circuit breaker isn't designed to work with it.

Does it trip in the first few minutes when turned on? When powering up it draws a peak current, if the CB isn't designed to ignore temporary peak currents then it will think a fault is occurring and trip.

You better also check the power cable from the breaker to the outside condensing unit. In my case, the cable was shorting intermittently to ground at the input clamp to the disconnect. Luckily I heard the zapping, then saw the damage, and easily repaired it.

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What can cause a circuit breaker to suddenly start tripping?

If the breaker trips when nothing is turned on it could be a mouse problem. If it only trips when certain lights or appliances are turned on one of them is probably the reason.If it trips when nothing is being turned on or off something is getting hot. You should then have qualified electrician look at it. Hope this is usefull.


What would cause circuit breaker to trip in new box from old box?

There could be several reasons why a circuit breaker in a new electrical box is tripping. Some common reasons include overloaded circuits, short circuits, ground faults, or faulty wiring connections. It is important to have a licensed electrician inspect the electrical system to identify and address the specific cause of the tripping.


Working principle of air circuit breaker?

circuit breaker is a switch that turned off when there is a short circuitAnswerAn air circuit breaker is a high-voltage circuit breaker whose tripping and closing mechanisms are (usually) operated pneumatically, and whose arc is extinguished by a blast of air -hence the alternative name 'air-blast circuit breaker'.


What could be the problem if a breaker trips when the light is turned off?

If a breaker trips when the light is turned off, it could indicate a short circuit or an overloaded circuit in the wiring. It could also be due to a faulty breaker or an issue with the light fixture itself. It is recommended to consult a licensed electrician to investigate and resolve the issue safely.


How do you de-energize a circuit?

To de-energize a circuit, the voltage has to be cut off at the source. This is usually done with a disconnect switch which is located just before the circuit's load. Turning off the breaker on a distribution panel will de-energize the circuit it is feeding. To make sure that the voltage can not be turned back on when work is being done on the circuit, the switch or breaker must have a lock off device to prevent the circuit from being turned on, except by the person that locked the circuit off.

Related Questions

Why does my air conditioner trip the breaker immediately when I turn it on?

Your air conditioner may be tripping the breaker immediately when turned on due to an electrical issue, such as a short circuit or overload. It is recommended to have a professional technician inspect and repair the air conditioner to prevent further damage.


What can cause a circuit breaker to suddenly start tripping?

If the breaker trips when nothing is turned on it could be a mouse problem. If it only trips when certain lights or appliances are turned on one of them is probably the reason.If it trips when nothing is being turned on or off something is getting hot. You should then have qualified electrician look at it. Hope this is usefull.


What would cause circuit breaker to trip in new box from old box?

There could be several reasons why a circuit breaker in a new electrical box is tripping. Some common reasons include overloaded circuits, short circuits, ground faults, or faulty wiring connections. It is important to have a licensed electrician inspect the electrical system to identify and address the specific cause of the tripping.


What makes a circuit breaker go bad?

A circuit breaker can go bad from being tripped too many times. Many people don't understand that the tripping of a circuit breaker indicates a problem that needs to be corrected. They usually just reset the circuit breaker, leading to a very common second (or third, or fourth) trip. Circuit breakers tripping are for the prevention of fire due to excessive heat in the circuit. They're not supposed to be tripped repeatedly. This can wear the breaker out. Believe it or not, I've also seen circuit breakers fail to re-energize after being turned off. I speculate this was actually caused by the breaker never having been cycled (it was a main breaker), and the time elapsed since it was installed. Electrical equipment doesn't last forever. It's the same as anything else.


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.


Can a Circuit breaker be used as a Switch?

Yes a circuit breaker is a switch but it should not be used as a switch. The continuous turning off and on of a breaker weakens the internal mechanism and reduces the tripping value of the breaker. There is in the marketplace breakers that are designed to be used as switches. These are usually used in large warehouses where the lights are turned on in the morning and shut off at night. Using these specifically designed breakers for switches does not wear out the tripping mechanism or reduce the tripping value. <<>> A circuit breaker can be used as a switch, although in most cases there are less expensive switches you can use.


Why does the breaker trip when the switch is turned off?

When the switch is turned off, the breaker trips to protect the electrical circuit from overload or short circuit. This happens because the sudden interruption of the electrical flow can cause a surge of electricity, triggering the breaker to trip and cut off the power to prevent damage to the circuit.


What safety precautions should be taken when resetting the air conditioner circuit breaker located outside the house?

Before resetting the air conditioner circuit breaker located outside the house, it is important to ensure the power is turned off to prevent electric shock. Use insulated tools and wear protective gear such as gloves and safety goggles. Check for any signs of damage or wear on the breaker before resetting it. If unsure, it is best to contact a professional electrician for assistance.


Working principle of air circuit breaker?

circuit breaker is a switch that turned off when there is a short circuitAnswerAn air circuit breaker is a high-voltage circuit breaker whose tripping and closing mechanisms are (usually) operated pneumatically, and whose arc is extinguished by a blast of air -hence the alternative name 'air-blast circuit breaker'.


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.


What could be the problem if a breaker trips when the light is turned off?

If a breaker trips when the light is turned off, it could indicate a short circuit or an overloaded circuit in the wiring. It could also be due to a faulty breaker or an issue with the light fixture itself. It is recommended to consult a licensed electrician to investigate and resolve the issue safely.


Do you have a 15 0r 20 amp circuit?

Go to your distribution panel and shut off the breaker that you think is the circuit in question. If the circuit becomes de-energized then the breaker you just turned off feeds that circuit. Look on the handle of the breaker and the number you see is the amperage of that circuit. <<>> Determination of a 15 or 20 Ampere circuit is normally indicated by a combination of a 20A breaker and a 20A dedicated outlet. A 15A circuit normally has multiple outlets; not typical in a 20A circuit.