Busbar 2 topics · 2 sources ScienceEnergyThe power conduit of an electric power plant; the starting point of the electric transmission system.US DOE Office of Energy Efficiency & Renewable Energy — Glossary of Energy-Related Terms retrieved 2014-05-26 Cite ScienceWaterA heavy metal conductor used to carry a large current.Bureau of Reclamation — Bureau of Reclamation Glossary Cite