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I have a single item on the line. I have power on that line until I plug something in and then I lose power to that outlet. I replaced both the circuit breaker and outlet. Suggestions please.

  • Welcome to StackExchange. If you lose power when you plug something in, how do you know there was power there before? What is your testing method that shows power? Is it a voltmeter, and if so what voltage does it show? – Harper - Reinstate Monica Dec 7 '19 at 20:15
  • Does the breaker trip or does the outlet just stop working? – JACK Dec 7 '19 at 20:24
  • Have you tried plugging different things into the outlet? The item that you're plugging in might have an issue. Also, is there a GFCI or AFCI in use? – user3757614 Dec 7 '19 at 22:56
  • Sounds like a failed back stab , if using a non contact tester and with a load there is no power it’s a damaged splice or backstab. If a non contact tester says there is power but a load is plugged in and it doesn’t work it’s the neutral. – Ed Beal Dec 8 '19 at 2:32
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Assuming the breaker doesn’t trip and there isn’t a GFCI involved, this would generally indicate a poor, high resistance, connection somewhere in the line. Your voltmeter pulls so little current that you see the full voltage but when you connect a real load, the poor connection drops the voltage.

Since you replaced the breaker and outlet, the problem must be elsewhere. Wires generally don’t just fail, unless someone drove a nail through it. So you are looking for a junction box somewhere with splices. At least hopefully, the person who wires it followed code and didn’t just splice it in a wall.

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