Added new pot lights that work fine on older toggle style switch, new style flat switch causes breaker to trip. ?

Question

I added 2 new pot lights to an existing circuit. Everything works fine using the old style switch but when I wanted to update to the new style switch, it trips the breaker when you push on.
I then put the old switch back on, turned on all lights on the circuit and everything works (circuit is not overloaded). I’m wondering if the new switch is faulty, but I tried 2 of the new style switches and they both trip the circuit, the older ones seem to work fine.

I have wired lots of lights before and had no problems and I have basic knowledge of how to wire properly, wire gauge, connections, etc. I am a carpenter by trade.

Previously when I added new lights, I went off the existing light. But this time, it was easier for me to wire from the switch using pigtail. Is this also correct?

I have attached an image of how I wired the new pot lights to the existing circuit.
I have not shown ground wires for simplicity.
Thank you.

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ASidhu 2 months 2 Answers 110 views

Answers ( 2 )

  1. Hi Dominick.
    Yes everything is grounded.
    Everything works fine on the current old switch.
    I’ll try buying another new switch and see if it works.
    Thanks.

  2. Seems like you have everything right. Are you grounding the new switch? Try a different one for sure. But either way, a switch is only a means of disconnect.

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