About: http://webisa.webdatacommons.org/103366322

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	might be the test button is faulty, might be the RCD is jammed. they do that sometimes, especially if not tested for a year or more (though your one sounds quite new)
http://www.w3.org/ns/prov#wasQuotedFrom	diynot.com