<http://webisa.webdatacommons.org/prov/104578974> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/245750814> . <http://webisa.webdatacommons.org/245750814> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com> . <http://webisa.webdatacommons.org/prov/298396617> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/245750814> . <http://webisa.webdatacommons.org/245750814> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/245750814> <http://www.w3.org/ns/prov#value> "ransformer, the current transformer, and the potential transformer are molded in one piece with an insulating material, such as a synthetic resin or a synthetic rubber." .