When installing the distribution box on the wall with a thickness of 240mm, the back of the box shall be recessed into the wall for not less than 20mm, the back wall shall be nailed with a asbestos board with a thickness of 10 mm or a steel wire with a mesh of 10 mm. When installing the distribution box on the wall with a thickness of 240mm, the back of the box shall be recessed into the wall for not less than 20mm, the back wall shall be nailed with a asbestos board with a thickness of 10 mm or a steel wire with a mesh of 10 mm. Strictly speaking, the word “Distribution Box (D-box)” can refer to two categories: electrical distribution boxes and septic tank distribution boxes. This article mainly talks about the first one. An electrical distribution box, also known as a power distribution box, panelboard, or consumer unit. In this guide, we'll break down everything you need to know to install a distribution box correctly and confidently. Choose the right box based on environment (indoor/outdoor), load capacity, and durability. Many feeders leave substation in a concrete ducts and are routed to a nearby pole. When building the wall, the reserved hole shall be about 20mm larger than the length and width of the distribution box. It receives power from the main electrical supply and divides it into separate circuits, each. The wall mounted distribution box can be fixed on the wall with expansion bolts, but the dovetail bolts shall be embedded in the hollow brick or block wall or fixed with the pull bolts.
