About: http://webisa.webdatacommons.org/312764832

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The 0V ground return 440 is at a zero state and is a reference for the other voltage potentials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com