We are a Manufacturer of Electrical Bus Duct Systems which conducts large volumes of electricity within power generation plants. We are the leading builder of isolated phase, segregated phase, non-segregated phase, cable and open bus configurations in the U.S. Systems from 600V to 24kV and 1kV to 24kA. In any type of facility, including nuclear, Calvert has the know-how and experience to get your project online with attention to functionality, safety and timeliness.