<http://webisa.webdatacommons.org/prov/434802828>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/248494825> .
<http://webisa.webdatacommons.org/248494825>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/248494825>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .
<http://webisa.webdatacommons.org/248494825>	<http://www.w3.org/ns/prov#value>	"Stack fittings, including carriers, for back -outlet fixtures installed back-to-back shall be either the wye pattern," .