Always place the Main Switch on the far left. Learn how to install a distribution box safely and correctly. Covers wiring, placement, standards, and expert tips for a compliant setup. Common configurations include single-phase for homes and three-phase for. Indication Lights: These provide visual availability and status of mains power supply. Smart DB boxes have extra parts like energy monitoring units and communication modules. We'll simplify technical jargon, highlight common pitfalls, and equip you with actionable insights—because your safety and. The information provided in this document contains general descriptions, technical characteristics and/or recommendations related to products/solutions.