Within the Ph/N Conductor tab of the Circuit Edit Module, users can configure the DC cable properties by selecting the conductor material, size, installation method, and correction factors. A key option is the checkbox "Cables are subject to heat from the PV panels", which applies Regulation 712.523.101 of BS 7671:2018+A3:2024. When selected, ElectricalOM considers an ambient temperature of at least 70 °C for derating calculations, accounting for thermal effects from PV modules mounted directly above the cables. This ensures the cable sizing is compliant with heat exposure requirements under solar panels.


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Figure 22 DC Cable Configuration in the Ph/N Conductor Tab