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switch keeps tripping breaker

2K views 9 replies 7 participants last post by  MrElectricianTV 
#1 ·
I installed a new circuit and a light off of it. the circuit is a 20 amp circuit on a AFCI breaker with an outside light on it. Whenever I turn the light on it flicks on and the breaker trips. I can't figure out whats causing it, any idea's?

a picture of the light wiring is included below

 
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Discussion starter · #6 ·
so I'm going to switch the ground (separate question, why do they supply the ground on the fixture than, am I supposed to break off a ground for it or is it optional?)

and I swapped the breaker at the box with a non-AFCI breaker and the breaker works fine. I'll try to get another AFCI breaker tomorrow to see if I just had a bad breaker but any other idea's? I've attached a picture of the switch below but I don't think anything is wrong with that. there's nothing else on the circuit other than outlets with nothing plugged in.



The other black wire is plugged in on the other side since that's not showing that well.
 
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