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2m Long tinned Copper Wire Braid, Copper Stranded Tape, Ground Wire and Transmission line, Anti-Oxidation,12#: Amazon.com: Tools & Home Improvement
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Remington Industries 20TCW Tinned Copper Wire, Buss Wire, Bus Bar Wire, 20 AWG, 100' Length, 0.0320" Diameter, Silver: Amazon.com: Tools & Home Improvement
![soldering - Copper oxide on cables after tinning w/ no clean flux - Electrical Engineering Stack Exchange soldering - Copper oxide on cables after tinning w/ no clean flux - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/rRSVx.jpg)
soldering - Copper oxide on cables after tinning w/ no clean flux - Electrical Engineering Stack Exchange
![A corrosion failure analysis of copper wires used in outdoor terminal boxes in substation - ScienceDirect A corrosion failure analysis of copper wires used in outdoor terminal boxes in substation - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1350630717312190-gr1.jpg)