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Dryer causes breaker to trip

Hi everyone,

I installed a GFCI breaker to protect my dryer circuit which is very old and is not grounded (circuit uses a black, red and white wires with no ground). Anyway, I pulled the dryer all the way from its place. Later, I disconnected the dryer from the receptacle and the breaker did NOT tripped. I then proceed to connect the dryer while it still was not on its usual place, and the breaker did NOT tripped. When I pushed the dryer back to its place while connected the breaker started tripping again. I think there might be a Ground fault but can’t identify where. Any suggestions? Could it be a lose wire in the appliance?

thank you so much,

Airy

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Airy González  this will depend on how you connected all of this. Let us know what voltages you are working with and how you connected the GFCI breaker into the ungrounded circuit. Make sure that everything is tight and connect well, cuit by removing the GFCI and see if it still pops the breaker. If it does not you know that it is related to the new install. What amperage is the GFCI (usually those are 20Amp) and what amperage is your breaker on the dryer receptacle. From what you are describing it sounds like a three wire ungrounded system. You may have to run a new 4 wire dryer circuit for your GFCI. Post some good pictures of your wiring on the breaker as well as the outlet etc. so we can see what you see. Adding images to an existing question

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Airy González will be eternally grateful.
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