What is the small busbar on top of the central power switch
Busbars are conductors in switchgear that collect, distribute, and transmit electrical energy. They connect the power source (such as the output terminal of a transformer) to various branches (such as the incoming terminals of circuit breakers), acting as a transfer station for. A bus bar (also spelled busbar) is a metallic strip or bar used in electrical power distribution to conduct electricity within a switchboard, distribution board, substation, or other electrical apparatus. Its primary role is to carry large current loads and connect multiple circuits together. Busbar Trunking Building Expansion Unit [BTU for building movements]: A busbar trunking unit permitting enclosure and conductor movement to compensate. Definition: An electrical bus bar is defined as a conductor or a group of conductor used for collecting electric power from the incoming feeders and distributes them to the outgoing feeders.
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