About: http://webisa.webdatacommons.org/435857729

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	The optocoupler on the right is anything he is rated for connecting to mains power, such as ones used for isolating triacs from the electronics, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	coffeegeek.com