Take a one metre section of the cable you are interested in knowing about, skin the insulation off of it and weigh the conductor then its insulation jacket. Multiply the values you recorded by the length you wish to know about.
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Joe Contractor to Electrical Inspector, "What do you mean you are going to make me follow the code?".
Thanks for the logical answer but thats not the engineering formula.Would you please answer the engineering formula for this question before manufacturing and after manufacturing (Note : without waisting the material)