Notes from an Electrical Engineer:
1. Do NOT use this to repair an extension cord or power cord that will ever be under stress… like power tools, for example. There is no protection from lengthwise pulling on the wire and the only thing holding them in place are tiny screws. It needs to have clamps on both ends to handle any serious pull.
2. If the cable you are repairing is round, it might actually be waterproof, but I would not suggest using this for a device that would be near dampness. And flooding it would trap water inside… think about that.
3. Well made, smartly designed for certain circustances, but not a serious splice by any means.
4. For a power line that you are going to bury outside, I would recommend using an 8 to 10 inch length of 1″ PVC with screw on caps providing insulation over the connections and at least an inch or two of good caulk on each end.
It’s a cute little splicer that you can use for outdoor LED lighting, but only if the wires are carefully placed so that no one trips over the wire. Use at your own risk, but think it out carefully.
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