About: http://webisa.webdatacommons.org/228051941

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	In any modern construction all the electrical wires run already have green or bare ground wires so this should not be an issue except maybe in an old house where someone might be tempted to use the metal pipe as an easy ground.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com