About: http://webisa.webdatacommons.org/310335582

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	There is no standard I know of except the disabilities act in the US. If it is a new house/apartment they should be 15 inches to bottom of the receptacle plate.
http://www.w3.org/ns/prov#wasQuotedFrom	sparkfun.com