This article was posted 03/22/2007 and is most likely outdated.

Aluminum - The Other Conductor
 

 
Subject - Aluminum - The Other Conductor

March 22, 2007  

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Aluminum – The Other Conductor

 

ImageAluminum is the most abundant of all metals and is extracted from bauxite. Technical discussions and articles about the use of aluminum vs. copper have been published in the electrical industry for many years. The objective of the following document is to provide the reader with information by which they are able to make a more informed decision given a choice between the two materials in electrical equipment.

 

Click here to read the paper titled Aluminum – The Other Conductor, written by Bob Yanniello with Eaton Electrical Inc.

 
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Comments

  • I have had good life (30+ years) out of aluminum wiring for medium (13.8kv, 4160v, 2300v) and low voltage (480v) power distribution wiring. I would not recommend the use of aluminum wiring for 120 volt distribution in residential, office buildings, or in machine control wiring. As to the concern for IR surviellance, it is a valid point, switchboards and cable connections should be IR surveyed at least yearly, but this IR survey requirement also applies to copper. I have not had any more problems with aluminum wound transformers than copper wound,

    Tim
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