The steps to install a small distribution box include selecting a suitable location, installing the base, placing the distribution box, connecting the wires, and checking for acceptance. Warm reminder: Do not disassemble or modify without experience and professionals. This article walks you through the complete distribution box manufacturing process, covering each step. Strictly speaking, the word “Distribution Box (D-box)” can refer to two categories: electrical distribution boxes and septic tank distribution boxes. There often needs to be an iterative approach – designing, reviewing, redesigning, testing, retesting, etc. It protects homes and industries from electrical hazards.