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I've just tested a sub-main cable running to an old barn. 0.05 Mohms at 250V. Obviously a fail, but the customer says it's fine because it works. As they're clearly not interested in their own safety I wondered if I could make them see sense by the cost. So my question is; How much does it cost them? Is it simply 240/ 50 000 to see the wasted current.
Thanks, Paul
Thanks, Paul