Learn the step-by-step process of customizing complete distribution boxes tailored to your needs. From requirement confirmation to design, production, and testing, find out how to get a reliable, flexible distribution system. Why Choose a Custom Distribution Box? A Custom Distribution Box is the ideal solution when. When a contractor starts planning a real-world power or control project, the first concern is rarely the box itself. The real concern is everything the box must quietly solve. Fuses: Act as fail-safes, melting under excessive current to prevent damage. Residual Current Devices (RCDs): These protect against. Custom services let you add overcurrent protection, better sealing against moisture, and modular layouts for future upgrades.