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I have a 115 volt 20 amp breaker but at the plug its only showing 79 volts what can the issue be? I changed the breaker and checked the voltage at the panel

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    And when you checked the voltage at the panel, it was...? What happens if you plug in an incandescent (old-style, filament) light to this outlet? – Ecnerwal Jun 18 at 16:55
  • Try plugging a night light, cell phone charger or other tiny load in, and check the voltage again. I bet it goes away, and acts like you would expect. – Harper Jun 18 at 18:58

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