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What options are available beyond marettes to join wires together? I am looking for something that holds 3-5 wires and will be within a portable box (ie will hold together if moved around a bit).

Is this push-in connector a fair approach?

enter image description here

This is apart of a digitally controlled power-bar/box I'm making for an art installation.

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  • \$\begingroup\$ What are marettes? \$\endgroup\$ Commented Mar 8, 2014 at 19:39
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    \$\begingroup\$ @joshjingles I would also consider lever nuts like this. It's easier to remove the wire from a lever nut than from the push-in connector. \$\endgroup\$ Commented Mar 8, 2014 at 19:54
  • \$\begingroup\$ @LeonHeller: marrettes (wire nuts) are things used in North American AC wiring to hold wires together. \$\endgroup\$ Commented Mar 8, 2014 at 20:27
  • \$\begingroup\$ @joshjingles: are you using solid or stranded wire? I don't think Marrettes are recommended for stranded wire. I would probalby use crimp-on terminals and a screw terminal block for stranded wire. \$\endgroup\$ Commented Mar 8, 2014 at 20:29
  • \$\begingroup\$ Are you planning on providing a box and strain relief? None of these things are really suitable for use outside some kind of an enclosure, especially if it's not low voltage. \$\endgroup\$ Commented Mar 8, 2014 at 21:13

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By join wires together, do you mean connect them all to one point, or connect them in pairs? If you are talking about one point, I would recommend a busbar, something like this (from my local electronics store). For connecting pairs of wires together resiliently, try using a screw terminal, which come in 50 bazillion kinds (to find some, try this).

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  • \$\begingroup\$ @NickAlexeev (1) Thanks for adding the link! (2) I was going to turn it into a proper answer once I got the answers to the important questions. \$\endgroup\$
    – felixphew
    Commented Mar 8, 2014 at 21:40
  • \$\begingroup\$ You're welcome. The link was there all along. \$\endgroup\$ Commented Mar 8, 2014 at 21:41
  • \$\begingroup\$ @NickAlexeev No, you added it in your edit - I looked at the diff! \$\endgroup\$
    – felixphew
    Commented Mar 8, 2014 at 22:04
  • \$\begingroup\$ That edit was made way back. The original version also had a link. (Just for the sake of historical correctness. This is actually not very important.) \$\endgroup\$ Commented Mar 8, 2014 at 22:06
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If these are power wires like electricians deal with, then you might be looking for something called a wire nut. These are plastic "cap" looking thingies that have a springy metal winding inside. You bundle 2 or 3 wires together, then screw the cap on. The spring holds the wires together, and the wires end up getting twisted together a bit.

Wire nuts are approved for power connections in junction boxes by the electrical code, so these things really work. They come in different sizes, and it's important to use a wire nut only for the number and size of wires it is rated for.

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