Busbars, also known as busbar trunking systems, distribute electricity with greater ease and flexibility than some other more permanent forms of installation and distribution. Sometimes spelled bus bar or buss bar, they are often metallic strips of copper, brass, or aluminum that both ground and conduct electricity.

What is a busbar used for?

Busbars are metal bars used to carry large amounts of current. Often made of copper or aluminum, every home electrical panel has busbars to distribute ac power to the rows of circuit breakers (Fig.

How do busbars work?

Electrical busbars are conductors or a group of conductors used for collecting electric power from incoming feeders. From there, they distribute the power to the outgoing feeders. In laymen's terms, it is a type of electrical junction where all incoming and outgoing electrical currents meet.