bus duct उदाहरण वाक्य

As of May 25, 2009, PEARL's 51 corporate voting members and 30 affiliate members, representing more than $ 500 million in annual sales revenues from companies in the U . S . and Canada, have contributed to the development of 137 electrical Reconditioning Standards for Electrical Equipment ranging from circuit breakers and transformers to conduit and bus duct.