Deciding which is better between copper and aluminum wiring depends on what you are trying to accomplish: using strong material or saving money.
Aluminum Wiring In Homes - Now What?
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Copper-Clad Aluminum Wiring-creating problems where there are none. - Charles Buell Consulting LLC
Copper Vs. Aluminum - The Tug-of-War Between GC and Electrician
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Tinned Copper or Aluminum Wiring - Electrical Inspections - InterNACHI®️ Forum