About: http://webisa.webdatacommons.org/272540840

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	While the circuit of FIG. 1 is totally satisfactory for controlling a light or other apparatus from a single location, it cannot be used in a standard three-way configuration like that shown in FIG. 2 unless additional wires are added.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com