We have a breaker that will not reset. When we tried a different breaker on that circuit, the same thing occured. How can we find what is causing this?

If your Milwaukee 6390 circular saw is tripping the circuit breaker even without an extension cord, it could be due to a few reasons:

1. Overloaded circuit: The circuit may be overloaded with too many other electrical devices or appliances. Try unplugging other devices or turning off lights on the same circuit to see if that resolves the issue.
2. Short circuit: A short circuit can occur when the insulation on the electrical wires inside the saw becomes damaged or frayed, causing them to come into contact with each other. This can cause a sudden increase in current flow, which can trip the circuit breaker. Check the saw's power cord for any visible damage or wear, and consider having it professionally inspected if you suspect a short circuit.
3. Faulty circuit breaker: It's possible that the circuit breaker itself is faulty or worn out. Try plugging the saw into a different circuit and see if it still trips the breaker. If it does, the issue may be with the saw itself.
4. Motor overload: If the saw's motor is under strain or is overloaded, it can trip the circuit breaker. Check the blade for any binding or resistance, and ensure that the blade is sharp and properly aligned.

If none of these solutions resolve the issue, you may want to consider taking the saw to a professional repair shop to have it inspected and repaired.

This usually occurs with badly warn window guides, or a lot of dirt in the guides, both which cause a circuit breaker to pop on heavy load and then reset after a few seconds. You can try to clean out the guides, but to get at all of places the window is binding really means you need to remove them and either replace or clean them on a bench. This can also be caused by a faulty breaker.

Could be magnetron failure (shorted)

This unit requires a 15AMP 120 VOLT dedicated circuit. If there are other appliances or items on this central vacuum circuit, this could overload the circuit causing it to pop. The other issue that could be occurring is that the central vacuum is on a GFI circuit or ARC fault circuit. Central Vacuum Units are not designed to run on these types of electrical circuits.

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"Arc fault" breakers trip when an arc occurs, either in a receptacle or a light switch, for example. An arc can be caused by an old light switch, when turning it on. An arc can also occur when you unplug a chord while the device is still turned on or running.

Good Afternoon Dennis - Often when this occurs, it is because there are too many appliances on the circuit or something may have a weak or poor breaker. Try plugging the unit in a different location or on its own circuit. If the issue continues, then it could also be possible that something shorted within the unit. So in this case, because it is a smaller appliance, repairs are often more costly than the actual unit replacement. You may want to check and see if your dehumidifier is still under warranty and if so, reach out to the manufacturer to determine the exact warranty coverage. Thanks for allowing me to help you.

Is this a new juicer, have you used this before without the circuit failure?
Most circuits in the house will be are 15 amp breakers. If the appliance has a high amp load then this can cause it to switch the breaker turning on or off.(due to to voltage spikes) I have a waffle iron that does the same thing if my refrigerator cycles while the iron is on.
There are a few things that could cause this. But before anything else I would try the juicer in a different plug that is on a different circuit, like the living room for example. If that works well then I would start looking at you may need to replace the circuit breaker, they do go bad.

It is probably an element that is causing the trouble, as it gets hotter, the insulation resistance breaks down, and if there is a weak spot or hot spot it causes the trip to operate.
I'm afraid it is a question of elmination, trying different functions, until you isolate the problem.

Best answer to this is the circuit outlet is connected to is overloaded < to many items are plugged into it > could be 15-20 watt breaker and usage amounts to more than wattage allowence. If you can lighten the load on circuit by removing things < t.v.,appliances,lights,etc.> from the other outlets that are affected < shutting down when breaker trips > then you can compromise and use washer any time. The other suggestion is to dedicate a breaker to washer, < by adding breaker and wiring to outlet for washer >.

A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Unlike a fuse, which operates once and then has to be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.