One of the most commonly used connection methods is through a plug-in box. Installed on the bus duct, the plug-in box connects to the incoming switch of the power distribution cabinet via cables. This method is valued for its easy installation and high flexibility. During the setup, the plug-in box. If used as an incomer cubicle, it switches the incoming main supply onto the common horizontal busbar system of a metal-enclosed switchgear arrangement If used as s a feeder cubicle, it switches the main supply from the common horizontal busbar system of a metal-enclosed switchgear arrangement onto. Special busbar systems for all electrical connections in switchgear, control cabinets and low-voltage systems. We look forward to hearing from you! Flexible and solid busbars made of copper, aluminum or CoppAl® serve as the central distribution board in your switchgear. With our. Eaton's Pow-R-LineT family of distribution switchboards incorporates new design concepts that fit the ever-increasing need for applications on high short-circuit systems, while retaining maximum flexibility, safety and convenience throughout the line. Front-access switchboards align at the rear. Power Distribution Equipment is a term generally used to describe any apparatus used for the generation, transmission, distribution, or control of electrical energy. B sbar extension joints are enclosed, otherw ttom. Connection to ABB's MNS type switchgear is carried out using standard bushings providing the same.