0 Solstice380 Posted March 13, 2020 Share Posted March 13, 2020 7 hours ago, One and a half said: A crimp on a ring or spades has tons of pressure applied causing no oxygen to be trapped between the copper and the spade. I think this is mostly correct, but it is not "hermetically sealed" so of course there is oxygen intrusion and diffusion along all surfaces. For our industrial instruments we use crimped connections and then solder over them. The crimping, done correctly as you so rightly point out, provides a good smashing of the 2 metals together and the solder provides the atmospheric protection. High integrity connections that never fail. If you have any non-contact thermal analyzer (even cheap IR thermometer) you should check some screwed connections sometimes and see the heat generated by the connection resistance. I have a buddy that makes a living testing electrical panels, etc., for loose connections causing excessive power loss. He has a nice stereo from his proceeds! 😎 davide256 1 https://audiophilestyle.com/profile/21384-solstice380/?tab=field_core_pfield_3 Link to comment
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