About: http://webisa.webdatacommons.org/389753334

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	Manifested as a constant 60Hz tone that does not vary with volume, ground loops are an especially common source of noise and complaints.
http://www.w3.org/ns/prov#wasQuotedFrom	gcaudio.com