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dear 7anoter4, thank you for your answer.where can i refer this area of calculation from?

thread238-302523 by referring to the above thread, reply from rcwilson which stated that "the cross section area of the screen (shield) material to determine its resistance? That's just circumference x thickness" which standard to refer. please help

Hi all, Please advise whether it is okay to include copper tape overlap in earth fault calculation and is that true that earth fault and metallic screen resistance is reciprocal to each other. Any other standard to refer rather than ICEA P-45-482. Thank you

is there any standard that specify the resistance shall be based on effective area that we used to calculated short circuit?

what if manufacturer give different value like above. is that acceptable?

Thank you for your reply 7anoter4. Is thats means its allowable to use less area to determine the maximum metallic screen resistance and declare higher value for short circuit calculation. Example: Declare area of copper tape for short circuit is 34.5sqmm (including overlap) and area to...

Dear all, I really need help.anyone know any standard (BS/IEC/etc) that specify the calculation copper tape shield area for metallic screen resistance. Your prompt reply is really appreciated. Thanks