About: http://webisa.webdatacommons.org/36484871

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	It maintains loads such as lamps and other equipment that function with DC power until normal AC power is restored or until the batteries are discharged to the level that they can no longer power the load.
http://www.w3.org/ns/prov#wasQuotedFrom	transmission-line.net