DC stands for electrical power made by solar panels which is converted by a solar inverter linked to an electrical cable generally Situated shut, on the switchboard in properties and companies where by most appliances operate on AC (alternating latest). The inverter transforms DC Strength into alternating Electricity, for usage. https://totalsolar.com.au/why-a-6-6-kw-solar-system-is-perfect-for-your-wa-home/