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Haven't quality audited these, but seem okay from the little I understand:
https://www.circuitcalculator.com/wordpress/2006/01/31/pcb-trace-width-calculator/
https://www.smps.us/pcbtracespacing.html
https://pcbdesign.smps.us/creepage.html
https://www.electronics-project-design.com/PCB-Design.html
hi
temperature rise for outside track inside thermally insulated to FR4 should be good.
TNX