SwampNut Posted February 23, 2022 Share Posted February 23, 2022 When is it dangerous to use? This cord was used outdoors in a wet environment (marine, boat shore power). The female end apparently had water come in. I cut it off and it was blacker than a whore's heart, but not flaky. I cut off three feet and it's starting to look cleaner. The other end is perfect. Should I keep cutting? Any danger here? I wired it up with an L6-30P and N6-50R for a welder adapter and extension. The welder is rated at 30a but came with a 50a plug. My garages are all L6-30R. Quote Link to comment Share on other sites More sharing options...
XXitanium Posted February 24, 2022 Share Posted February 24, 2022 I'd give it a shot of this to clean the bare ends and make sure you have good contact on your screw terminals. Are those #6s? https://www.corrosionx.com/products/corrosionx Quote Link to comment Share on other sites More sharing options...
SwampNut Posted February 24, 2022 Author Share Posted February 24, 2022 10 gauge, since it's only 30 amps. I have a lot of CorrosionX, I haven't seen it clean anything. It would protect it from moisture. It's incredibly great at that part. After the photo I cleaned the conductors a bit and got them really tight. That 6-50 recep lets you really tighten them well. 1 Quote Link to comment Share on other sites More sharing options...
Biometrix Posted February 25, 2022 Share Posted February 25, 2022 Its dangerous when the copper is green or white, powdery and falls apart and/or when the insulation cracks and falls off in pieces. I would have had no hesitation just using those stripped ends as-is for an extension cord but that's just me. Maybe if they were blacker I would have shined them up a bit with some emery cloth but otherwise wouldn't have fucked around with it. Quote Link to comment Share on other sites More sharing options...
SwampNut Posted February 26, 2022 Author Share Posted February 26, 2022 Useful info. I did clean it lightly with sandpaper before putting the plug together. 1 Quote Link to comment Share on other sites More sharing options...
superhawk996 Posted March 1, 2022 Share Posted March 1, 2022 My only fear would be resistance, and the things that can manifest from that, at the connection. I might separate the strands and shine them all up if the blackening wasn't just on the surface. 1 Quote Link to comment Share on other sites More sharing options...
XXitanium Posted March 1, 2022 Share Posted March 1, 2022 I learned something, but I'm torn... https://www.etecownersgroup.com/post/preventing-corrosion-in-electrical-connections-10977617 Quote Link to comment Share on other sites More sharing options...
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