About: http://webisa.webdatacommons.org/149315851

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	In short, there are two kinds of loop in which voltages are present: the loop formed by signal wires, and the looS12 formed by grounded conductors, among which are protective earth conductors (PE) and signal cable shields.
http://www.w3.org/ns/prov#wasQuotedFrom	ps2netdrivers.net