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Discussion Starter · #1 ·
An odd one: at the in-laws and the granny charger trips their electrics. Immediately. Tried 3 different sockets and put charger on 6A setting. Tested the charger elsewhere and it works. But also the same sockets run a kettle fine, which must be a similar or greater draw than 6A granny? So, any ideas on what could be wrong or what to do to diagnose? TIA.
 

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Discussion Starter · #3 ·
What's it tripping, an RCD or MCB, or RCBO?

Excess current will trip MCBs, load imbalance/earth leakage will trip RCDs. RCBOs do both in one unit.

If they've got type A RCDs then it could be DC leakage that's causing a trip that won't trip type AC RCDs which might make it work elsewhere.

Regardless if it's been tried on some different circuits, it's probably faulty if other appliances are working fine.
It’s the main switch that is tripping - see pic - not any individual breakers. Is there any way to test the charger itself?

It’s not a big deal for me - the charger belongs to the loan car I’m using so it’s not mine - right now it just means spending £20 at a rapid instead of charging it at the in-laws!

Thanks for your help.

 
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