A bus bar system, also known as a busway or bus duct, is an electrical power distribution system that uses conductive bars or strips to distribute electrical power to multiple loads. It provides a compact and efficient means of delivering electricity within a building, industrial facility, or power distribution infrastructure.

Here are the key features and components of a bus bar system:

Bus Bars:

Bus bars are typically made of copper or aluminum and are designed to carry high current levels. They are flat or rectangular bars that serve as the main conductors in the system. The bus bars are usually housed in an enclosure made of insulating materials that provide mechanical protection and electrical insulation.

Enclosure:

The bus bars are enclosed in a protective housing that provides insulation and safety. The enclosure can be made of materials such as sheet metal, fiberglass, or a combination of both. It protects the bus bars from external elements and prevents accidental contact with live parts.