Sigh.
What you say about knowing things is quite true. But when you wrote this:
You had been told repeatedly that RCDs trip for different reasons than MCBs, and that your RCD covers all of your circuits.
What you say about knowing things is quite true. But when you wrote this:
Why isn't there a separate Mcb named OVEN so that when an element goes it's only the oven switch that is tripped?
You had been told repeatedly that RCDs trip for different reasons than MCBs, and that your RCD covers all of your circuits.