Assertion: aluminum | /r/HasProperty | introduced for household electrical wiring
Facets:
value: in north america
type: LOCATION
value: at that time
type: TEMPORAL
Source sentences:
text: Because of its high conductivity and relatively low price compared with copper in the 1960s, aluminium was introduced at that time for household electrical wiring in North America, even though many fixtures had not been designed to accept aluminium wire.