- Aug 30, 2011
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- If you're a qualified, trainee, or retired electrician - Which country is it that your work will be / is / was aimed at?
- United Kingdom
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- Electrical Engineer (Qualified)
How can the fault current be 0.9 KA with a 0.09 ZE fault current to earth will be at least 2.55 KA and most likely more line-neutral.