Need recommendation: Underground splice kit, 2 AWG, aluminum wire

Discussion in 'Electrical Forum discussion & Blog' started by Chuck Shaughnessy, Jan 9, 2016.

  1. Chuck Shaughnessy

    Chuck Shaughnessy New Member

    Jan 3, 2016
    Can anyone recommend the best underground splice it - for 2 AWG aluminum wire. I want a really good one so I don't have to do this again!
  2. cwhyu2

    cwhyu2 Consultant

    Aug 11, 2007
    Cincinnati OH
    heat shrink first then wrap with rubber tape then wrap with #33 scotch brand electric tape then scotch coat or liquid tape.
    Have not had one fail in 12 years.

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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    If you're going to go the heat shrink tubing route, you want some that has heat-activated adhesive on the inside to make the seal, not just 'regular' heat shrink tubing, as it will leak much more easily. At least a few companies make a waterproof tube with compression seals at each end filled with goop. With those, you can use wire nuts or clamps to make your connection, then this fits over it. They are not inexpensive, but are engineered to work. You'll probably want to cut out the corroded part, and unless you have some slack, you'll be splicing in a new section, so you'll need at least two of them, and maybe a third for the neutral and maybe even a forth for the ground wire. You can probably find what you need at a local electrical supply shop, but here's one that should work
  5. hj

    hj Master Plumber

    Aug 31, 2004
    Cave Creek, Arizona
    quote; you can use wire nuts or clamps to make your connection,

    Wire nuts on #2 AWG?
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