About: http://webisa.webdatacommons.org/169479461

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	Because they are commercially available products available to the general public and their EMI/RFI emissions need to be controlled and limited to below certain values so avoid problems with other equipment whether yours or someone elses.
http://www.w3.org/ns/prov#wasQuotedFrom	avsforum.com