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Why outlet makers warn against aluminum wires?

Hi
I am looking for an answer as to why there are always warnings on high-end outlets regarding using them with aluminum wires?I use mine (Shunyata Venom) with al.wires and felt the quality jump right away compared to PS Audio i used before.Both outlets manuals say:Do not use with aluminum wires!Why?Thank You for your responses.
overhang

Showing 1 response by richingoth

richingoth
326 posts
 
Hope this helps
http://www.cpsc.gov/cpscpub/pubs/516.pdf
BTW I was UL tester during this time of my life and I remember the stir that AL and AL clad wire caused.
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