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LG fridge works for a while + then trips. Checked, its not the power supply/plug. Electrician replaced 20A circuit breaker with 25A. Worked for 3 days then tripped again. Works when I use normal 2-core cable to plug in fridge i.e. unearthed. Don’t have LG agency or fridge experts in our small town. Can unearthed connection cause harm? What is the prob? THANKS

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    What model is this fridge, and where on Earth are you? Also, does your breaker have a TEST button on it?
    – ThreePhaseEel
    Commented Jan 23, 2021 at 6:28
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    Would probably get a new electrician first. Most fridges only need a 15 amp circuit. Sounds like maybe a short to ground in fridge or circuit, which can kill you. Adding a bigger breaker to a circuit, tells you have an idiot working for you.
    – crip659
    Commented Jan 23, 2021 at 13:56

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GET A NEW ELECTRICIAN! Not only is putting a 25a breaker in a code violation at least in the NEC it is probably a real issue. Things like defrost coils go bad think of your heating element on an electric stove this is similar to what may have failed . Increasing the breaker has increased the fire risk! I say this as a licensed Electrician that also has HVAC licenses. Track the cycle of tripping and contact an appliance repair person, some HVAC shops also do repair refrigerators but at a 3 day cycle this is most likely the problem and it will burn open in some cases then your fridge will start icing up or not cooling correctly. Don’t risk a fire get it fixed and get the 20 amp breaker back in place if it is the right size for the wire or possibly 15 amp.

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  • FYI "2-core" suggests the British Empire, and 20/25A sizes suggests Australia/New Zealand locale.The time-of-post tends to agree with that.
    – Harper - Reinstate Monica
    Commented Jan 23, 2021 at 18:40
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    @harper so you are saying this is fine? I have seen 25 amp breakers in the US but my statement stands both on upsizing a breaker and a possible defrost circuit failure no matter where in the world they are.
    – Ed Beal
    Commented Jan 23, 2021 at 21:09
  • No, I'm not saying that. I'm implying that you might consider revisiting your answer based on that location.
    – Harper - Reinstate Monica
    Commented Jan 24, 2021 at 1:36
  • Thanks for the help. In South Africa electrician rules are few. I will take up the 25 to 20A with them - thanks. They told me the fridge breaker also has many other plug on it like washing machine, kitchen utensils. The model fridge is LG GR389SQF .
    – Peter
    Commented Jan 24, 2021 at 10:33
  • Thanks for the help. In South Africa electrician rules are few. I will take up the 25 to 20A with them - thanks. They told me the fridge breaker also has many other plug on it like washing machine, kitchen utensils. The model fridge is LG GR389SQF . – Peter
    – Peter
    Commented Jan 24, 2021 at 10:34

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