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New RCD tripping. Some questions to help me identify source

  • Thread starter Mmcgar
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New RCD tripping. Some questions to help me identify source

New RCD tripping. Some questions to help me identify source

Hi all

I moved into a new house last week, the CU didn't have any RCD protection so I had it replaced today (house is about 30 yrs old).

It's been ticking along fine but tonight I used kettle and microwave at same time and it tripped the RCD. I then tried some other appliances (toaster, air fryer) in various kitchen sockets and had same result. Things work ok to a point but seemingly when load increases the RCD trips.

My general understanding of this is there could be an earth fault...

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by Mmcgar

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