The main distribution box shall be located in the area close to the power supply; the distribution box shall be installed in the area with relatively concentrated electrical equipment or load; the distance between the distribution box and the switch box shall not. The main distribution box shall be located in the area close to the power supply; the distribution box shall be installed in the area with relatively concentrated electrical equipment or load; the distance between the distribution box and the switch box shall not. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Check for proper IP/NEMA ratings and material quality. Ensure safe placement: install in dry, accessible areas with good ventilation and at appropriate height (typically ~1. Practice good wiring: secure. The main distribution box (or distribution room) shall be set up. Select qualified products that meet national standards and safety requirements. According to the electrical design requirements, determine the appropriate installation location and. F is constructed of 3 separate hinged sections; 1) the wall section, 2) the center s orizontal communication cables, the switch placement inside the enclosure must be considered for a successful deployment. This document is intended to provide system integrators and field inst lers with Panduit's. A distribution box is a low-voltage electrical enclosure that receives incoming power and distributes it safely to multiple outgoing circuits through protective and switching devices such as MCBs, RCDs, RCBOs, fuses, isolators, busbars, neutral bars, earth bars, and surge protective devices.