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Thread: mixing stranded and solid wire

  1. #1
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    Default mixing stranded and solid wire

    Is there an inherent danger of combing solid and stranded copper wire? I've got outdoor solid copper wire and I need to use pigtails that are stranded copper in order to hook it up. What's the best way to connect them? Solder them like I would with a stranded-stranded connection?

  2. #2
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    Default Re: mixing stranded and solid wire

    don't cross the streams!
    Just kidding. No there's no problem at all mixing them. The only wires you don't want to mix is copper and aluminum. Soldering is typically much more difficult with solid wire, especially of a large gauge. Mechanical connections are typically easier and just as reliable.

  3. #3
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    Default Re: mixing stranded and solid wire

    What voltage? AC/DC? Are the connections going to be in a weather resistant enclosure?
    For low voltage, not in an enclosure, solder and adhesive lined heat shrink is the way to go I think.

  4. #4
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    Default Re: mixing stranded and solid wire

    its 12V DC. I'm planning on soldering with heat shrink and then covering all that with liquid electrical tape. So it sounds like it should be OK?

  5. #5
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    Default Re: mixing stranded and solid wire

    Yes, and the liquid tape maybe overkill.

  6. #6
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    Default Re: mixing stranded and solid wire

    Quote Originally Posted by Amino View Post
    its 12V DC. I'm planning on soldering with heat shrink and then covering all that with liquid electrical tape. So it sounds like it should be OK?
    Hi, soldering would be my choice it's not good to crimp solid cable.

  7. #7
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    Default Re: mixing stranded and solid wire

    when i solder, i use shrink tube for each of the 3 wires, then a thicker marine grade tubing to encompas that..i start to shring with the heat gun in the middle and work towards the edges, at about 3/4" away from each end i stop. I use a small injection of gorilla hot glue in each end. then finish the shrinking. it will ooz out the ends but that is as water tight as a dolphins a**..

  8. #8
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    Default mixing stranded and solid wire

    Be careful, copper vs copper clad aluminum (CCA); I made the mistake of using cca with copper. I had to replace every lead and plug in my display this year due to exposed aluminum being exposed during cutting and soldering and dissimilar materials will corrode. I ended up having to discard over 50% of my 3 core connectors since they would no longer take solder.


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