Distribution boxes are built with durable materials, typically metal or high-grade plastic, designed to endure environmental stresses. They consist of a rigid enclosure housing busbars, circuit breakers, fuses, and wiring terminals. Primary distribution systems consist of feeders that deliver power from distribution substations to distribution transformers. At this. The DB panel board controls the flow of electricity. This structure ensures effective power. Distribution boards, often referred to as electrical panels or breaker boxes, serve as the nerve center of any electrical system. In this comprehensive guide, we will explore. Strictly speaking, the word “Distribution Box (D-box)” can refer to two categories: electrical distribution boxes and septic tank distribution boxes.