Aluminum costs much less than copper-clad and copper wires. Aluminum copper-clad is better but does cost more than aluminum wiring. Aluminum conductors are cheaper to produce compared to copper conductors. Budget-Friendly: Aluminum wire is preferred due to its lower cost.The two main advantages of using aluminum or copper are that aluminum wiring costs less and is lightweight, making installation easier. Distance: Copper conductors can be used over longer distances due to their highly conductive properties and heat resistance.Īdvantages of Aluminum Wiring over Copper.Malleability: Because copper is highly conductive, the wire strands are thinner, making the wire more malleable without breaking.Patina forms by oxidation however, do not affect the conductivity. Patina is a greenish-tarnish that changes the outer color of copper. Corrosion Resistant: Copper is resistant to corrosion.Copper wire does not expand and contract like aluminum, so the cables remain tight on lugs. Heat Resistant: The copper wire’s conductive properties make the wire more heat resistant than aluminum. Copper wire is about half the diameter of aluminum wire for the same conductivity. Copper can handle a higher electrical load, allowing you to use a smaller gauge wire.
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