Box building assembly is the electromechanical assembly process that includes enclosure fabrication or sourcing, installation and connection of PCBAs, cable harnesses, power supplies, connectors, sensors, displays, and other components. This video shows our power cabinet assembly process on the factory floor. Watch technicians use an electric drill to fasten distribution-box components, install brackets, route wiring channels, and prepare units for final inspection and packing. What Is a Distribution Box? Types, Uses & How to Choose What Is a Distribution Box? Types, Uses & How to Choose A distribution box, also known as a power distribution box or electrical distribution box, is used to distribute electrical power safely to multiple circuits. From powering homes and industrial facilities to supporting medium-voltage infrastructure, these enclosures ensure safe, efficient, and reliable power distribution. It represents the complete assembly of a product after the. In this article, we'll introduce the basics of how to approach box build design and develop a manufacturable and useful assembly. There often needs to be an iterative approach – designing, reviewing, redesigning, testing, retesting, etc. to be able to have a really effective design.