About: http://webisa.webdatacommons.org/80967089

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	Some mobile units such as mobile homes and trailers have three-wire plus ground type internal wiring systems in which one wire is the grounded neutral and two other wires are hot wires.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com