| [[Kupari]] || 01,0168678·10<sup>−6−8</sup> Ωm<ref>{{Verkkoviite|osoite=https://archive.org/details/copperwiretables31unituoft|nimeke=United States National Bureau of Standards. Retrieved 3 February 2014|tekijä=|julkaisu=|ajankohta=|julkaisija=Internet Archive|viitattu=}}</ref>|| 3,9·10<sup>−3</sup> /K<ref>[http://library.bldrdoc.gov/docs/nbshb100.pdf Copper Wire Tables, sivu 14; National Bureau of Standards Handbook 100, United States Department of Commerce, 1966]</ref><ref>[http://www.ndt-ed.org/EducationResources/CommunityCollege/Materials/Physical_Chemical/Electrical.htm Electrical Conductivity and Resistivity, NDT Resource Center]</ref>
