Re: RCD trip mode question
Metal clad heating elements in grills, cookers and immersion heaters go leaky and trip RCDs so that's not unusual.
You can also have some earth to neutral voltage such that a lower impedance neutral to earth fault can trip RCDs even when 'power' is off at a single pole switch like an MCB.
All my RCDs flip the toggle to the off position when triggered.
David
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Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
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