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Thanks. I’ll isolate the L&N on all circuits apart from the oven and see if it’s still trips. If not I’ll reconnect each one separately to see if the fault returns so I can identify which circuit is causing the problem.

ZOD35517XA

It hadn’t occurred to me that the earth leakage would be cumulative. There isn’t a lot being fed from the RCD, only the oven, a ring main, and the central heating. The supply to the oven is 6mm from a dedicated mcb, but the consumer unit and components are 20+ years old. I checked the...

Hi, my son has a double oven that trips the main RCD but only when both ovens are on AND have heated up. Initially we thought it was the top oven element because he noticed it when he used that oven, so we replaced it but but it turns out it was just that the main oven always happened to be on...