Troubleshooting New Wiring that Trips Breaker

I wired a new room addition to my house. I'm using the 30 amp breaker and 12-2 wire. Every time I turn the power on power comes to the room, but when I flip the light switch it trips the breaker. How come?


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May 14, 20170 found this helpful

You could have a loose wire or a circuit overload. Check this website for more information

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May 22, 20170 found this helpful

My husband is an electrician. Here is his answer... First your light switch is not wired correctly. Also 12-2 wire is not rated for a 30 amp breaker. It is rated for a 20 amp breaker. If these two things are corrected it should work properly.

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