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+--- Thread: How can you tell if a wire is aluminum or copper? (/showthread.php?tid=71065)
How can you tell if a wire is aluminum or copper? - 1-LVDCPN - 04-20-2021
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Check any uncovered outlets or switches to see the color of the exposed wires. Aluminum wiring is silver while copper, the other most common metal used, is a distinct yellow color.
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