This section concentrates upon commonly used power distribution equipment: Panelboards, Switchboards, Low-Voltage Motor Control Centers, Low-Voltage Switchgear, Medium Voltage Power and Distribution Transformers, Medium-Voltage Metal Enclosed Switchgear, Medium Voltage. This section concentrates upon commonly used power distribution equipment: Panelboards, Switchboards, Low-Voltage Motor Control Centers, Low-Voltage Switchgear, Medium Voltage Power and Distribution Transformers, Medium-Voltage Metal Enclosed Switchgear, Medium Voltage. Power Distribution Equipment is a term generally used to describe any apparatus used for the generation, transmission, distribution, or control of electrical energy. Understanding these systems isn't. This ultimate guide explains what a distribution box does, its internal components, common types, real-world applications, and how to select the right DB Box for your project. You'll typically need a screwdriver set, wire cutters, a voltage tester, and the distribution box itself—ensuring it's rated for your specific voltage requirements, usually 120V. Simply put, a power distribution box acts as the central hub for routing energy from an incoming service line — typically supplied by a transformer or substation — to individual branch circuits. By breaking power into smaller, manageable loads, the box ensures consistent delivery while protecting. Electricity is distributed from the Generating Station to the equipment or machinery or lights of a factory through the following 18 vital components, in order. The brief purposes of these components are also explained in the below section. Generating Station – Generates electricity.