I can walk you through the math for your specific project layout! Share public link
: Design begins with measuring soil resistivity, as the earth's resistance directly affects how much fault current is safely dissipated. ieee std 80 2013 pdf download work
: Detailed breakdowns of the math used in the standard (like fault current and cable sizing) are available in PDF format on the PTC Mathcad Community Technical Summaries I can walk you through the math for