Leave the breaker off while you fix this. My guess is that one of the two switched . If any of these are the problem, turning on the switch will trip the breaker even if the dehumidifier and other devices are off. That is, turning on only this switch is enough to blow the breaker.
The breaker has derated itself—that is, it is marginally defective.
This happens sometimes, especially with heavily .
This will of course trip the breaker every time you flip the switch on.
Identifying the travelers at each switch is done by finding the continuous hot wire at one switch and then discovering the wire at the other switch that goes to the light fixture. One of the wires in the two three - way switches is ALWAYS hot assuming the circuit breaker is on. Start by turning off the power to the switch circuit at the . Reasons Your Circuit Breaker Keeps Tripping.
How to Fix It: Light Switch Breaker Overloads. Trip the breaker or remove the fuse of the circuit containing the switches and outlet. I followed the wiring schematics and connected loa line, neutral, ground and traveler as they should be connected and no led light comes on nor do the switches turn the lights on . Turn on the power at the breaker or fuse box. If the circuit breaker trips or fuse blows when you turn on the switch , the most likely cause is one of the wires is shorting against another wire or the metal box the switch is in.
AFCI Circuit Breaker Troubleshooting. It can be identified by the special colored test-button near its handle. My Father-in-Law changed the outlets in my kitchen in my apartment.
What happens is that when we turn on the breaker , all the power to the outlets trip out. When we try it again the main power switch board in the hallway trips . If the other switch had been toggle it to would have tripped the breaker. DIYers solve their switch problems. They should work just fine on GFCI whether connected to -ways or not.
It detected some small arc within the wiring and shut the circuit down. An AFCI has three detection modes: overcurrent, arcing and ground fault. For example, one circuit fed the garage outlet, one outlet in the family rm, the kitchen, hall and bath lights, and the outlet controlled by the switch in each of the three bedrooms.
Make sure the breaker supplying the three - way light switch has power. Check the breaker that supplies the switch confirm it is in the on position, then test the light switches. If the breaker is trippe reset it and try the switch again.
Just like outlets, the wire connections in the back or side of the switch may be loose an again like an outlet, the switch needs replacement.
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